List of alien races in DC Comics

List of alien races in DC Comics, is a list of fictional extraterrestrial races that have appeared in comic book titles published by DC Comics, as well as properties from other media are listed below, with appropriately brief descriptions and accompanying citations.

0-9

 * 5th Dimensional Imps - Zrfff is the homeworld of all 5th Dimensional Imps, including Mister Mxyzptlk, Miss Gsptlsnz, Mister Genie (Genro), Quisp, Yzlkz the Thunderbolt, Bat-Mite, Zook, Gazook, and Mopee.

A

 * Adaptoids - The Adaptoids were blob-like creatures in the vicinity of the star Arcturus that traveled to Earth-One in attempt to wipe out the human race. Able to adapt to any threat, they were defeated by the Justice League when they were exposed to the Thanagarian equalizing disease.
 * Aellons - The Aellons are the yellow skinned reptilian humanoid peoples of Aello (Stormswift), Demonia, Harpis and Doc of Aello were all members of the Omega Men.
 * Alien Invaders - The nameless primary antagonists of Armageddon: The Alien Agenda.
 * Almeraci - The Almeraci of Almerac are a race of powerful humanoid psionics similar to the natives of Euphorix. They are represented by Maxima and Ultraa.
 * Aloi - The Aloi are blue skinned aliens with ridged foreheads. The Aloi are at war with the Margoi over a device known as the "Grayl". The Aloi were represented by Tumlat.
 * Anasazi - In the DC Comics Universe, the Anasazi Indians were resettled to planet Starhaven, represented by Dawnstar.
 * Alstairans - The Alstairans of Alstair are one of four technologically advanced and constantly at war, spacefaring races native to the Antares system. The most well known Alstairan is their ruler the alien plant elemental known as Hyathis. Alstairans are plantlike humanoids with leaves instead of hair.
 * Andromedans - The Andromedans of the Andromeda Galaxy are a race of superhumans similar to Kryptonians and Daxamites. They have red hair, albino skin and blue eyes. One of the Andromedans named Karb-Brak was exiled to Earth because he developed an allergy to superhuman metabolisms, he took the human identity of construction worker Andrew Meda. Superman and Vartox eventually cure Karb-Brak and return him to his homeworld.
 * Angtuans- Inhabitants of the planet Angtu, a world with a thick, noxious atmosphere. Angtu was ultimately destroyed in the 30th century by the mutated native Mano.
 * Anunnake - The Anunnanke are reptilian aliens who claim to have killed off the Dinosaurs, also known as the Hunter/Gatherers.
 * Anndrann - The green skinned military geniuses Anndrann of Anndranna were later banished to Bellatrix, and are famed for their weapons of war. Iron has a deleterious effect on their cognitive abilities.
 * Appelaxians - The Appelaxians of Appelax are a race of technically advanced aliens with the ability to create powerful artificial host bodies for their minds.
 * Aquoids - The Aquoids are natives of planet Beltair IV.
 * Aranes - The Aranes of Arane II are a race of light blue skinned, white haired humanoids, with tiny blue potruding horns on their foreheads. Rolind Siepur of Arane II is a member of the Dark Circle.

B

 * Barrions - The Barrions of Barrio III are silicon based lifeforms. They are represented by the Green Lantern known as Chaselon.
 * Bellatrix Bombers - alien warlords featured in Green Lantern v.3 #20
 * Bgztlians - Bgztl is an ancient colony of Earth. The Bgztlians are humans who share the same metahuman talent, the ability to become intangible. Phantom Girl of the Legion of Super-Heroes is their representative.
 * Blight -  (LOSH)
 * Bloodlines Parasites - The eight Bloodline Parasites were extraterrestrial lifeforms capable of accidentally activating the human metagene during the act of feeding on human spinal fluid. All parasites had dense exoskeletons and were incredibly strong, they all had the ability to duplicate human form.
 * Braalians - Braal is an ancient colony of Earth. The Braalians are humans who share the same metahuman talent, the ability to manipulate local electromagnetic fields. Cosmic Boy of the Legion of Super-Heroes is their representative.
 * Brain-Parasites of Planet X - The Brain-Parasites hail from Planet X, they use powerful Knowledge-Extractors to steal knowledge from other races.
 * Branx - The Branx Warriors of Emana Branx are a gray skinned race of dull witted, four-armed warriors who serve the Citadelians. Native to the Vega System.
 * Brylyx - White skinned aliens featured Green Lantern: Mosiac.
 * Bolovax Vikians - The highly communal and technologically advanced Bolovax Vikians of Bolovax Vik are a dead race. Kilowog of the Green Lantern Corps is the last surviving member of this species.

C

 * Cairnians - members of L.E.G.I.O.N.
 * Calatonians - Ancient monarchy on the planet Calaton ravaged by Doomsday
 * Canopians - a member of Atari Force. Canopians such as Morphea are from New Earth in a parallel universe.
 * Carggites - Cargg is an ancient colony of Earth. The Carggites are humans who share the same metahuman talent, the ability to triplicate themselves. Triplicate Girl of the Legion of Super-Heroes is their representative.
 * The Cathexis - The Cathexis are a race of alien super-scientists from the "sixth dimension" who created self-aware reality endangering technology.
 * Changralynians - The Changralynians of Changralyn are a race of silicon based pacifists, they are represented by Broot of the Omega Men
 * Chietain -
 * Children of Tanjent - psionic race
 * Circadians - The peaceful insectoid Circadians of Circadia established a joint Human/Circadian settlement in the 30th Century known as Pax Colony. The best known Circadian representative is Circadia Senius a Chronarch Research Fellow at the Metropolis Time Institute, and a friend of Brainiac 5.
 * Cthalonians -
 * Citadelians - The Citadelians of the Citadel, are a race of sadistic imperialistic clones, whose intellect and genetic viability degrades with each newly cloned generation. The former tyrant rulers of the Vega Star System are now an Empire in decline. The Citadelians use Gordanians and Branx Warriors as their enforcers, they have a limited mastery of Psion technology.
 * Clementians - The Clementians of Clementia are also known as "Black Mercies". The Green Lantern known as Mother Mercy is the caretaker and ruler of the Clementian race.
 * Coluans - The Coluans of Colu are a pretercognitive species, one of the most technologically advanced in the known universe. They are most notably represented by the various men and women who hold the title Brainiac.
 * Competalians - The Competalians of Competalia, are a race of people empowered by the discovery of their equivalent of the metagene. They recently overthrew the tyrant known as Anathema. Similar in concept to the Inhumans from Marvel Comics.
 * Controllers - The Controllers are a Maltusin descended race, cousins of similar offshoot races such as the Oans and Zamarons.
 * Council of Overseers - A trio of aliens that somehow got hold of Warworld until they hand it to Mongul.
 * Culacaons - The Culacaons of Culacao are a strange example of a deliberately engineered lifeform. The Culacaon sexes exhibit wildly separate phenotypes, the yellow skinned males are humanoids, and the females appear to be giant molluscs. The females have a sensitive membrane in their shells when stabbed by the males causes the females to become dormant and undergo mitosis, newborn males are then cut out of the newly budded section.
 * Czarnians - The Czarnians are a nearly extinct race from planet Czarnia, Lobo is the last Czarnian.

D

 * Daxamites - The Daxamites of Daxam are the descendants of Kryptonian colonists. Like their Kryptonian cousins Daxamites manifest powers and abilities similar to those of Superman when exposed to the light of a yellow sun. Daxam's xenophobic inhabitants tend to stay on their homeworld, but some like Julia, Lar Gand and Sodam Yat have ventured out into the galaxy. Exposure to lead causes a progressive terminal degeneration, continuing even after the lead has been removed. In the 31st century, Brainiac 5 of Colu (a member of the Legion of Super-Heroes) discovered a cure for the condition, which must be individually tailored to each recipient's genetic code.
 * Debstams - The Debstams of Debtam IV are a race of humanoids who were wiped out by a pandemic brought to their world by the tyrant Mongul.
 * Dhorians - The Dhorians of Dhor are one of four technologically advanced and constantly at war, spacefaring races native to the Antares system. The infamous Kanjar Ro is Dhorian. Dhorians have large insectlike compound eyes and prominently pointed noses.
 * Diibs - The massive and nearly indestructible denizens of Diibworld, home of L.E.G.I.O.N. member Bertron Diib.
 * Djinn - race of alien warriors who tried to invade Oa led by Kantuu
 * Dominators - The Dominators of the Dominion are a race of conquerors who destroy what they cannot dominate. Their mastery of advanced science, specifically the "Metagene" rivals the talents of the Psions.
 * Dokris - A race of green skinned aliens with advanced time travel technology, they altered Earth's past in order to invade and conquer the planet in the year 2287. They were defeated by Kid Flash (Wally West).
 * Draal - alien invaders of Sector 3515
 * Dryads - The Dryads are a race of silicon based lifeforms, represented by Strata and Blok.
 * Duomalians - The Duomalians are a race of gray skinned humanoids who inhabit the "Mirror World", it is a fourth dimensional universe also inhabited by the Amazonlike Orinocas. Duomal was discovered and renamed by Giovanni Zatara, in honor of its co-rulers Queen Duora and Queen Mulano. Duomal was originally known as Thrule.
 * Dromedanians - A camel-like humanoid race native to the 30th Century, Captain Brakta an ally of the Legion of Super-Heroes hails from Dromedania.
 * Durlans - The Durlans are and infamous and much feared race of xenophobic shapeshifters native to planet Durla. Chameleon Boy a member of the 30th Century Legion of Super-Heroes is a Durlan.
 * Dyrlians - The Dyrlians of Dyrlia are an orange skinned humanoid alien race who sent their genetically engineered savior the "Star-Child" to Earth, so that he could be raised by Superman and Supergirl. The Star-Child matured in twenty-four hours.

E

 * Earthling - A race of a planet that looks a bit like Earth, and they hate the race who we are.
 * Empire of Tears - is on the Prison Planet Ysmault.
 * En'taran Slavemasters - The En'tarans are a race of would-be conquerors who decimated much of Rann in their quest to acquire Zeta-Beam technology.
 * Euphorians - The Euphorians are a race of telepathic and telekinetic humanoids from planet Euphorix in the Vega system. They are represented by Primus and Kalista of the Omega Men.
 * Exorians - Exor is the homeworld of the Exorian race. They are represented by a pair of Exorian metas named Zan and Jayna (Wonder Twins), two of the ten hereditary protectors of Exor. The "Ten Elements of the Universe" is the name given to a group of five pairs of royal twins on Exor, each pair possesses elemental powers including fire, love, vapors, plants, sound, metal, shadows.

F

 * Farfarmniflatch - Race of shapeshifters. Monstergirl of the Young Heroes is revealed to be one of them.
 * Femazons - Race from Trigus VIII
 * Fire People - Alien beings of living fiery plasma, who arrive on a comet, they are defeated by the Justice Society of America.
 * Fluvians - The Fluvians of planet Fluvian are a form of aquatic plant-based life. Dob Zagil of Fluvian later became a Green Lantern.
 * Fresishs - The Fresishs of Fresish are a race of insectoid humanoids. Gorgoth of Fresish is a member of the Dark Circle.
 * Futuresmiths -

G

 * Galadorians - The Galadorians of Galador have lifespans measured in tens of thousands of years, and have power over matter and energy. Bed Adlain of Galador is their representative on Earth where he works as a shepherd in fields just outside Metropolis.
 * Giants of Dimension Zero - The Giants of Dimension Zero are a technologically advanced, extra-dimensional species discovered by Green Arrow and his sidekick Speedy. They also meet Xeen Arrow, an alternate version of Green Arrow native to Dimension Zero.
 * Giants of Ogyptu - The Giants of Ogyptu are blue skinned nude titans on the planet Ogyptu in the Vega system. Time appears to pass much slower for them than it does for other species, and they are for all intents and purposes immortal.
 * Gil'Dishpan - The Gil'Dishpan are the oldest and most powerful, imperialistic, space-faring, aquatic extraterrestrial race in the DC Comics universe. They appear to be purple giant tube worms, and are powerful telepaths. The Gil'Dishpan have taken an interest in younger aquatic races such as the Hykraians, Qarians and the Atlanteans of Earth. The Gil'Dishpan were responsible for uplifting the Hykraians and giving them the gift of interstellar travel. Their homeworld is a frozen planet with methane oceans similar to the Lakes of Titan.
 * Glazzonio -
 * Gordanians - The Gordanians are a race of reptilian alien slavers who have colonized planet Karna and served the Citadel, enemies of the native Karnan feline race which they hunted to extinction.
 * Graxions - an elf-like race from space sector 2815; see Green Lantern Arisia Rrab located near the Constellation Gemini.
 * Grendians - Robotic beings capable of self-awareness and emotion. Stel of the Green Lantern Corps hails from Grenda
 * Griks - The Griks are a race of amphibian spacefaring roboticists who are allies of Rann, were contracted to use their robots in Rann's mines.
 * Grolls - alien invaders with cerebro-radiation rays
 * Gryxians - yellow skin humanoid race from Gryx. Stealth from L.E.G.I.O.N. was a member of this race and was cast out of her society because she was born with special powers.
 * Green Martians - The green martians are one of the three ethnic divisions of Mars, on Earth they are represented by J'onn J'onnz the Martian Manhunter.
 * Guardians of the Clockwork Universe - A mysterious group that once recruited Captain Comet in their goals in protecting "the clockwork universe". (Not to be confused with the Oan Guardians)

H

 * Halla's - The Halla's are a race of green skinned aliens from Sector 2814, they wore purple and black uniforms with no insignia. The Halla's served as enforcers for the Oans in the transition period between the Manhunters and the Green Lantern Corps. Instead of power rings the Halla's were given the stun guns and power batteries of the Manhunters.
 * Havanians - Havania consists of two races, the angelic upper class and the frog-like lower class. Bleez of the Red Lantern Corps is a Havanian.
 * Hators - The only survivor of the ruined planet Hator is Badra, she can fly faster-than-light, and has superhuman strength, enemy of Wonder Woman.
 * Headmen - alien leaders whom often refer themselves to their psychic abilities of superior intelligence and enhanced telepathy hail from the Vegan star system.
 * Hegemony - alien race of toxic world invaders whom pollute planets for bio-chemicals and other resources
 * Hexapuses - The Hexapuses of Vortuma, are a race of six legged intelligent purple cephalopods encountered by Aquaman. He was transported to their world by technology similar to the Zeta beams used by Adam Strange. The Hexapuses communicate using vibrations through water, their word for water is "Vortum". They have advanced communications technology, and can focus aquatic vibrations around their tentacles to create "water tornados".
 * H'lvens - A small squirrel-like race. Ch'p and Bd'g of the Green Lantern Corps are H'lvens.
 * H'od - 'would be' galactic conquerors
 * H'San Natall - The H'San Natall Empire is the home of a powerful warrior race, which forced a group of captive Psion scientists to create superhuman hybrids of the Human and H'San Natall races. These four hybrid children later joined the Teen Titans.
 * Hykraians - The Hykraians are amphibious telepaths from the water world of Hykraius. Tellus, a member of the Legion of Super-Heroes, is their representative.
 * Htraeans - The Htraeans of the topologically impossible planet Htrae are also known as Bizarros.

I

 * Icoids - former natives of Jupiter's moons, who later moved to the rings of Saturn. They and the Thermoids originated outside the Solar System.
 * Imperiex Probes - The Imperiex Probes make up the body of a hive intelligence led by a cosmic being known as Imperiex.
 * Imskians - Imsk is an ancient colony of Earth. The Imskians are humans who share the same metahuman talent, the ability to shrink. Shrinking Violet of the Legion of Super-Heroes is their representative.
 * Invisible Raiders - The Invisible Raiders are a race of yellow skinned Saturnians with abilities similar to the Faceless Hunter.

J

 * Jaquaans - Little is known of the Jaquaans of planet Jaquaa. Their sole representative in the 30th Century is Doctor Gym'll the staff doctor of the Legion of Super-Heroes.
 * Jirenn - A humanoid race from Rojira which represent the Green Lantern Rori Dag.
 * Junoans - The Junoans of asteroid Juno are a race of technologically advanced humanoid aliens. The Junoans are protected by an Atlantean exile named Zarl Vorne who gained Kryptonian equivalent abilities when in close proximity to the Juno asteroid.

K

 * Kahloans - Kahloans are the indigenous people of the planet Kahlo. Many Kahloans are addicted to Belamort, a psychotropic plant.
 * Kalanorians - The Kalanorians of Kalanor are a purple skinned, two eyed race of alien soldiers and sorcerers whose greatest champions are three eyed mutants empowered by the "Flame of Py'tar". Their current champion and king is the tyrant Despero.
 * Kalvars - The Kalvars of Kalvar are also known as the "Bird-Man Bandits". They are a species of purple skinned telepathic humanoids with birdlike wings and feet.
 * Karnans - Karna was the home of a races of extraterrestrial were-felines known as Karnans who shared their world with the reptilian Gordanians, the only surviving Karnan is Tigorr of the Omega Men.
 * The Khund - The Khunds are an ancient warrior race from the heavy gravity world of Khundia. Khunds have codified rules of combat. Khund bodies have much denser bone and muscle tissue than humans.
 * Kigori - The Kigori are a race of Martian Spider Men native to the DCU planet Mars. The Kigori have large black spider bodies with bald human faces, green skin, large fangs, and prehensile green skinned hands on their forelegs. Their relation to the Green Martians is unknown.
 * Klaramarians - The Klaramarians of Klaramar, are a race of yellow skinned Saturnians possible descended from the Yellow Martians. Klaramarians all appear to have yellow-orange skin, pointy ears, a total lack of facial features, and are telepaths. -
 * Karazian -
 * Korugarians - The Korugarians of Korugar are a superstitious high technology race. They are represented by Sinestro leader of the Sinestro Corps, Katma Tui and Soranik Natu.
 * Krells - The Krells of New Krell are blue skinned, wrinkly, cone headed aliens, who live on a Superman shaped generation ship they call New Krell.
 * Krenons - The Krenons are a species of alien brutes and hybrids which have an interest in almeracian society. Most Krenons however are genetically engineered with four arms.  Sazu and the warlord De'cine are from this race however Sazu is created from a slave caste system and is regarded as a hybrid species.
 *  Krokodilos - The Krokodilos are a warlike empire which hails from Krokodilo Prime in the Byo System.
 * Krolotean Gremlins - The Kroloteans of Krolote are a high technology race also known as "Gremlins." They perform illegal genetic experiments on other species and sell the resulting bio-weapons to their clients.
 * Kryptonians - Alien inhabitants of the fictional planet Krypton, represented on Earth by Superman, Supergirl and Superboy.
 * Kwai - Legion member Shikari represents these insectoids in the Second Galaxy, a quadrant of the Legion universe.

L

 * Lallorans - Lallor is an ancient colony of Earth. The Lallorans are humans, some of whom possess metahuman talents. Their representatives are the Heroes of Lallor.
 * Largas - An extremely peaceful race that watched over Warworld after the Warzoons were wiped out. The Largas too eventually died out.
 * The Laroo - The Laroo are a race of religiously fanatic aliens who persecuted the Lasma.
 * Lartnecs - Blue skin humanoid race. Star Sapphire Miri Riam hails from Lartnec
 * Lasma - The Lasma (also known as the Ayrie) are a peaceful race of plantlike cosmic beings.
 * Lenglyns -
 * Lexorians - The Lexorians of Lexor are a race of humanoid aliens who believed that Lex Luthor was a hero, and that Superman was a villain. Later Lex Luthor accidentally destroyed the planet while fighting Superman.
 * Lizarkons - The Lizarkons are one the subject races of the Thanagarian Empire. Their pre-conquest homeworld is locate in the Aptilia solar system, a distinction they share with the Manhawks. Their representative is Isamot Kol'.
 * Llarans- The Llarans of Llar are one of four technologically advanced and constantly at war, spacefaring races native to the Antares system. The most well known Llaran is their ruler Emperor Sayyar. The Llarans are reptilian humanoids.
 * Lunarians - The Lunarians of Planet Prime, are a race of yellow skinned humanoids who lived in a hollow world complete with artificial sun, inside of Earth's moon Luna. The Lunarians intended to wipe out humanity in order to expand their empire using their "molecular disruption technology" and "cephalic inhibitors". They are ruled by a government called the Diode, led by Primor-Trena and the Secundus-Ormang. Lunarian molecular disruption weaponry operates in the same spectrum "red sun radiation" and can theoretically kill Superman. Like Kryptonians, the Lunarians can absorb solar radiation to become superhuman. The Lunarians were forcibly exiled to an artificial planetoid (generation ship), and banished from the solar system by Superman. The status of their former home inside the hollow moon is unknown.

M

 * Macrolatts - Tyrant race that enslaved the The Weird's energy race, the Zarlotts.
 * Maltusians - The Maltusians were the progenitors of three of the galaxy's oldest alien societies, the Oans, the Zamarons and the Controllers. It was on Maltus that the Guard-power later wielded by the Oans was first discovered.
 * Manhawks - The Manhawks are one the subject races of the Thanagarian Empire, they are large hawk-like avians who wear humanoid masks. Their nameless pre-conquest home-world is located in the Aptilia solar system.
 * Manhunters - The Manhunter androids are sentient Berserker machines, originally created as a force for peace by the Oans. The Manhunters were the prototype for a later group of more controllable robotic enforcers created by the Guardians, these creatures were known as the "Fists of the Guardians".
 * Margoi - The Margoi are orange skinned aliens with forehead crests and blue eyes. The Margoi are at war with the Aloi over a device known as the "Grayl". The Margoi were represented by Nemmul.
 * Martians- The only last green martian is the martian manhunter AKA John jones


 * Metans - Natives of the Meta-Zone are able to pass through the Zero-Zone using M-Vests in order to access Earth. Meta is the home of Rac Shade, also known as Shade, The Changing Man.
 * Mogo the Living Planet - Mogo is a sentient or "living" planet, technically genderless but often casually referred to as male.
 * Monguls - Monguls are the unnamed alien race of technologically advanced, religious fanatics from which the tyrant Mongul was exiled. Mongul was deposed during a revolution led by an ancient mystic known as the Arkymandryte, he fled the theological coup with a small trusted crew whom he later killed.
 * Monitors - A group of ancient cosmic beings from a vast alien civilization whom ruled the multiverse for billions of years.
 * Monks - race of animals on an offworld.
 * Moon Creatures -
 * Mosteelers - The Mosteelers of Mosteel are one of four technologically advanced and constantly at war, spacefaring races native to the Antares system. The most well known Mosteeler is their ruler the metal skinned Kromm. The Mosteelers are not robots, but their metabolism appears to have deposited ferrous metals directly into their protective chitinous exoskeleton.
 * Muscarian - race of mushroom fungi midgets.
 * Mygorg - The Mygorg are a brutish green skinned race which has enslaved the human population of the planet Pytharia, including that planet's ruling elite the Lightning Lords. Pytharia is the extradimensional home of the swordswoman known as Starfire.
 * Myrmitons - The Myrmitons are the blue skinned rulers of the Myrmiton Star Empire, they attempted a secret invasion of Earth which was foiled by Green Lantern (Hal Jordan) and the Flash (Barry Allen).

N

 * Naltorians - Naltor is an ancient colony of Earth. The Naltorians are humans who share the same metahuman talent, the power of precognition. Nura Nal of Naltor is a member of the Legion of Super-Heroes. Norak Kun of Naltor is a member of the Dark Circle.
 * N'crons - The N'crons of N'cron are a race of tentacled aliens who closely resemble H.P. Lovecraft's depiction of Cthulhu. Grullug Garkush of N'cron is a member of the Dark Circle.
 * New Gods - The New Gods are a race of deified superhumans centered on the planets of New Genesis and Apokolips, they appear to be locked in a cycle of unproductive warfare. The separate factions are led by leaders known as Highfather (New Genesis) and Darkseid (Apokolips).
 * Null-Oids - The Null-Oids represented by Null-O are artificial beings of neither matter nor energy. Null-O was sent from the distant future by advanced humans.

O

 * Oans - The Oans are a Maltusian descended race, cousins of similar offshoot races such as the Zamarons and Controllers. They are also known as the "Guardians of the Universe".
 * Obsidian Folk - The Obsidian Folk are one of two races native to Stoneworld, they are obsidian skinned, hairless, tribal humanoids. Kworri of the Obsidian Folk later became a Green Lantern.
 * Octi-Apes - The Octi-Apes are a race of sentient alien six armed Gorillas. They are represented by Kar-Han who was temporarily stranded on Earth.
 * Okaarans- The Okaarans of Okaara, are the second oldest race in the Vega System. The Warlords of Okaara studied and perfected all forms of combat in order to protect the once peaceful Okaarans from the Psions.
 * Olys - alien invaders of numerous star systems.
 * Omegons - The Omegons of Omegon are a race of purple skinned, four armed humanoids with a hybrid feudal/technological culture. The murdered hero "Voltro the Champion" was born on Omegon.
 * Omerons - The Omerons hail from planet Omeron orbiting the star-sun Antares. Discovered by a human farmer named Howard Melville who piloted a crashed Omeron ship back to its homeworld.
 * Ophidians - secret mystic race
 * Orandans - The Orandans of Orando are possibly descendants of the Homo magi of Earth. Princess Projectra of the Legion of Super-Heroes is their representative.
 * Orinocas - The Orinocas are a race of telepathic warrior women who inhabit the "Mirror World" a fourth dimensional universe also inhabited by the Duomalians. The first person form Earth to discover the Mirror World was Giovanni Zatara, but it was Sam Scudder the first Mirror Master who discovered the Orinocans.
 * Overlords - cybernetic lunar race

P

 * Peganans - The Peganans are a fishlike race which tried to invade Earth in the 25th century. Possible textual reference to The Gods of Pegāna, by Lord Dunsany.
 * Pharmans -
 * The Pharoids - rulers of the Pharon Empire, hail from planet Pharos IV.
 * Poglachians - a race of clowns
 * Pole Dwellers - a race of Martians who inhabited the northern pole on Mars and are responsible for the martian civil war. Commander Blanx is their leader.
 * Progeny - Beetle-like race in the Second Galaxy who want to eliminate the creation of Element Lad's Kwai race.
 * Prolfs - The Prolfs are a race of diminutive aliens who are immune to the vacuum of space. They are native to the Vega system.
 * Promethean Giants - ancient alien race, trapped in The Source Wall
 * Proteans - telepathic shapeshifting pets.
 * Psions - The Psions are a race of reptilian scientists uplifted by Maltusian proto-Oans from native Maltusian lizards.
 * Puffballs - intergalactic hive of Green Lanterns.
 * Pumice People - The Pumice People are one of two races native to Stoneworld, they are dark gray skinned, hairless, tribal humanoids. Aa of the Pumice People later became a Green Lantern.
 * Pytharians - Pytharia is the extradimensional homeworld of the swordswoman known as Starfire. The planet was once ruled by an elite class known as the Lightning Lords, but the human population has been enslaved by aliens known as the Yorg and the Mygorg.

Q

 * Quahooga -
 * Qarians - The Qarians of Qaria are aquatic humanoids who closely resemble humans, but have purple coral like hair and gills on the backs of their necks. Qaria is a world completely covered in water.
 * Qinoori Raiders - A race of raiders who strip mine planets for resources. Zamba, home world of the Darkstar Ferrin Colos was destroyed by them.
 * Quantum Mechanics - superadvanced alien race.
 * Qwardians - The Qwardians are natives of the anti-matter world of Qward. Qward is the anti-matter equivalent of the planet Oa.

R

 * Rannians - The Rannians of Rann are an ancient race of technologically advanced humanoids. They are represented by Alanna Strange wife of Adam Strange.; formerly located in the Alpha Centauri star system, they're currently located in the Polara star system.
 * Ranx the Sentient City - Ranx is an ancient Berserker construct in the form of a city. Ranx can observe anything in its vicinity, and can also control local gravitational forces.
 * Ravagers of Olys -
 * Red-Moon Gods - Atlantean survivors of the city of Challa-Bel-Nalla, then ruled by Lord Daamon (an ancestor of Deimos), formed an alliance with an alien race they called the Red-Moon Gods. These aliens provided the Atlanteans with advanced technology that Travis Morgan would later discover in New Atlantis.
 * Red Saturnians - (see Saturnians)
 * Reflektorrs - The Reflektorrs are a race of psionic parasites consisting of pure psychic energy, they were discovered feeding on natives of Apokolips.
 * Replikons -
 * Reach - The Reach are an ancient militaristic race who control space Sector 2, they have an ancient non-aggression pact with the Oans, and are the creators of Jaime Reyes' (Blue Beetle) scarab. They are also the second oldest race in the universe behind the Maltusians.
 * Rhoon - Rhoon is a planet split between science and elemental sorcery, with magic users segregated to the Sorcerer's Isle. They are represented by Green Lantern Hollika Rahn.
 * Rigellians - The Rigellians are a violet skinned, four armed race of noseless amphibians, who fled their own dying world untold years in the future. They were welcomed by humans living on planet Earth in a time when the sun appeared to have become a red giant. A civil war takes place when the Halflings, offspring of Humans and Rigellians overthrow their forefathers.
 * Roboticans - The Roboticans of Robotica are a machine civilization led by C.O.M.P.U.T.O. which is native to the 30th Century.
 * Roguians - Shy race from the planet Rogue in the Vegan System. Soon after birth they learn to produce a natural force shield that hides them even from each other. Elu of the Omega Men is a Roguian.
 * Rulanns - One of two races from Rojira which resemble star-fish.

S

 * Sangtee - Members of the single sex Sangtee Empire, ruled by an Emperor called the "Kreel".
 * Saturnians - The Saturnian Red, White and Yellow races are descended from clones of the Green, White and Yellow Martians. *Fura a Saturnian warlord from 3000 A.D. appeared in Batman #26, an enemy of the Batman of 3000 AD.
 * Savothians - The Savothians are a camel-like advanced humanoid species native to the planet Savoth. They have entertained a long friendship with all members of the Flash Family.
 * Scissormen - metafictional characters who inhabit a world called Orqwith
 * Slaggites - The Slaggites (also known as Spitroids) from the planet Slagg survived a near genocide after they rebelled against Citadel rule, represented by Shlagen of the Omega Men.
 * Slyggians
 * Sornaii - The Sornaii are an apparently multiversally aware alien race who seem to serve a role similar to that of the Monitors but on a lesser scale.
 * Space Dolphins - Space Dolphins are alien cetaceans capable of surviving and navigating in the vacuum of outer space. Two space dolphins have been seen in the company of Lobo
 * Spider Guild - The Spider Guild are a race of alien merchants, traders, slavers and conquerors from the Vega Star System.
 * Star Conquerors - speculated to be Starro's race
 * Statejians - war-like race of Qualar IV
 * Sputans - sentient race made up of larva and bacteria.
 * Sumal - race exterminated by the Progeny located in the Progenitor's Galaxy.

T

 * Talokians (Talok III) - The light blue skinned natives of Talok III are Mikaal Tomas' (Starman) people.
 * Talokians (Talok IV) - The sapphire blue skinned natives of Talok IV are Lyssa Drak's people. Lyssa is a member of the Sinestro Corps.
 * Talokians (Talok VIII) - The dark blue skinned natives of Talok VIII are Tasmia Mallor's (Shadow Lass) people. It is also the homeworld of her brother Grev Mallor, and her ancestors Lyrissa Mallor and Lydea Mallor.
 * Talyns - The Talyns of Talyn are an alien race represented by former Teen Titan Jarras Minion. The Talyns were the creators of the Omegadrone technology later co-opted by Victor Stone (Cyborg).
 * Tamaraneans - The Tamaranians of Tamaran are a feline humanoid species native to the Vega start system. They have golden skin, large green catlike eyes, and long manelike hair. Like Superman, the Tamaranians are living solar batteries who can store and convert solar radiation. They are represented by Starfire of the Teen Titans.
 * Tchk-Tchkii - a parasitic insectoid beetle-like race on the verge of extinction. Basically, because of their yellow armor, they are responsible for the extermination of various Green Lantern corps members from a few Space Sectors including Abin Sur.
 * Tebans -
 * Technis - a technologically savvy race who transformed Cyborg of the Teen Titans into Cyberion.
 * Teiresiae - a race of shapeshifters who inhabit a land called Mother-Time.
 * Tellurians - The Tellurians of Telluria are basically blue skinned Klingons with red gems in their foreheads. The gems in their foreheads enable them to fire mind bolts. They are technologically advanced. They are represented by the brothers Farlund and Karmault.
 * Terrorforms - a highly evolved telepathically synchronized race of beings who grant lower races superpowers.
 * Thanagarians - The Thanagarians of Thanagar are an ancient humanoid star empire orbiting the star Polaris. The Thanagarian Empire has contracted greatly since the height of its power, but the descendants many subject races still reside on the imperial homeworld. Gravity defying wing harnesses made of an exotic material known as "Nth Metal" allow the Thanagarian elite, military and law enforcement to experience a unique form of powered flight.
 * Tharrians - The planet Tharr is home to an ancient colony of Earth. The Tharrians are humans who share the same metahuman talent, the power of cryokinesis. Polar Boy of the Legion of Super-Heroes is their representative.
 * Thermoids - former natives of Jupiter's moons, who later moved to the rings of Saturn. They and the Icoids originated outside the Solar System.
 * Thoneworlders - The Throneworlders are a race of humanoids who hail from Thoneworld, a planet formerly known as Kranaltine. Throneworld is the home of Prince Gavyn the hero known as Starman
 * Thorons - The Thorons of Thoron are a race of technologically advanced humanoids who hail from the same solar neighborhood as the Kryptonians, and possess similar abilities. They are represented by Halk Kar a Thoron who believed he was "Superman's older brother".
 * Thronnians - The Thronnians are a race of humanoids from planet Thronn. Energiman, Magicko, Strong Girl, and Golden Blade are the Honor Team of Thronn.
 * Thunderers - (see Qwardians)
 * Timronians -
 * Titanians - The Saturnian moon of Titan is home to an ancient colony of Earth. The Titanians are humans who share the same metahuman talent, the power of telepathy. Saturn Girl of the Legion of Super-Heroes is their representative.
 * Toomians - humanoids with wolf-like features, they are endangered because they are hunted for their valuable hides. Barreer Wot of the Green Lantern Corps is a Toomian.
 * Tormocks - The Tormocks are a race of culturally and psychologically primitive spacefaring warriors dedicated to the destruction of the Vuldarians.
 * Tribune - The Tribunes of Gallo are a race alleged to be even older than the Guardians of the Universe. They formed the Galactic Tribunal an organization devoted to studying the immutable laws of creation, and dedicated to judging and punishing those who violate those laws. Led by Tribunal-Prime, with enforcers called Tribunal Guardsmen.
 * Trogkian Mammoths - Giant Mammoth-like creatures whose stampedes terrorized the primitive world of Trogk. Moose of the Sinestro Corps is one of these creatures.
 * Trombusans - The Trombusans of Trombus are a race of humanoid aliens technologically and societally on par with Earth. Trombus is protected by the Hyper-Family, a group of humanoid aliens with Kryptonian like abilities which they gained under a "red sun". The Hyper-Family are the only survivors of a nameless Krypton like world. They are Hyperman, Hyperwoman, Hyperboy (Kirk Quentin), and Klypso the Hyperdog.
 * Trontians - The Trontians are a race of amorphous amoeba like aliens capable of joining together into a collective biological mass. They also possess the ability to store large amounts of energy.
 * Trophy Lords - The Trophy Lords are a technologically advanced race of powerfully built, white furred, wolflike humanoids. They appear to be a race of pathological hunters. They are represented by Jharaka Bin Dharlok the Trophy Lord who encountered Superman.
 * Tsaurons - The Tsaurons of Tsauron are a race of yellow scaled reptilian humanoids. Ontiir of Tsauron is a member of the Dark Circle.
 * Tybaltians - The Tybaltians of Tybalt use Earth as a vacation spot by disguising their citizens as humans. In their natural forms, the Tybaltians are squat green skinned dwarves, with enlarged craniums, they have exhibited physical strength on par with Superman.
 * Tynolans - Tynola is the world to which Vartox relocates after the destruction of his homeworld Valeron. The Tynolans are a race of orange skinned humanoids. An alien deity named "Moxumbra the Star Serpent" had demanded living sacrifices from the Tynolans. The planet was destroyed by the alien entity known as Sraltka.
 * Tyrrazians - Tyrraz is an artificial planetoid which is the home of a technologically advanced red skinned race known as the Tyrrazians in the 30th Century. The Tyrrazians have a strong physical and cultural resemblance to Khunds. They are represented by Tyr
 * Tython - The Tython are invaders of the Planet Vonn and survivors of the planet Mars. They are warmongers who inhabit distant solar systems and use robotic chargers, gigantic robotic beings to help them invade other worlds.

U

 * Ultas - The Ultas of Ulta appear to have their own version of the metagene. The hero "Trygg the Invincible" exhibited Superman level strength before his death.
 * Ungarans - The red skinned humanoid Ungarans are represented by Abin Sur the former Green Lantern.
 * Uranians - The Uranians, led by Uvo the warlord of Uranus sent a small space armada in a failed attempt to conquer the Earth and steal uranium, a radioactive ore which is abundantly present in the outer planets. The Uranians were defeated by Wonder Woman. The Uranians have advanced technology, and use a "decalcifying" ray which petrifies its victims.
 * Uxorians - The green scaled reptilian Uxorians of Uxor, are represented by the Green Man former member of the Omega Men and the Green lantern Corps.

V

 * Valeronians - Valeron is the homeworld of the alien superhero Vartox, and Ontor the previous planetary protector. The Valeronians are an extinct race of humanoid aliens due to the destruction of Valeron.
 * Venusian Mind Worms - The only surviving Venusian Mind Worm is the criminal known as Mister Mind. The Mind Worms did not originate in the Sol System, but were exiled to a prison capsule suspended in the upper atmosphere of Venus. When exposed to the rare element Suspendium, Mind Worms will mutate into evolved forms known as Hyperflies. A Hyperfly is capable of feeding on the potentiality of the Multiverse.
 * Varidians - The entire race was taken over by Starro. Astrild Storm-Daughter, goddess of her people, voluntarily submitted to Starro.
 * Vimanians - Humanoid alien race with three eyes and white hair, who intended to stripmine the Earth. They brought along a workforce stored as energy matrices in special crystals, scientist Zachary Leight activated these crystals and they reconstituted as a group of heroes calling themselves the Xenobrood. The Vimanians were also responsible for creating the human metagene.
 * Vrangs - The Vrangs of Vrang are a gray skinned, batwing eared race of technologically advanced, spacefaring warlike humanoids. The Vrangs once tried to conquer the planet Krypton.
 * Vuldarians - The Vuldarians are a race of alien shapeshifters similar to the Durlans but much less secretive. They can morph their bodies into a variety of directed energy weapons and bladed implements. They also possess super strength and incredible durability. Guy Gardner was born a Vuldarian hybrid, but the alien dna was either rendered dormant or purged from his system, the side effects of this genetic alteration are as yet unknown.
 * Vulxans - The Vulxans are a race of orange skinned silicon based humanoids who developed advanced teleportation technology. Superboy discovered that Kryptonite could protect their planet from deadly radiation.

W

 * Wagnorians -
 * Warworlders - When Warworld was destroyed upon its invasion of Earth with Brainiac, its inhabitants went to Metropolis. In order to get the remainder of war machines activated they went underground and took control of Metropolis's sewer system.
 * Warzoons - A very warlike race that created Warworld. They all died off mysteriously.
 * Weaponers - (see Qwardians)
 * White Martians - The White Martians are one of three ethnic divisions native to the planet Mars as depicted in the fictional DC Comics universe.
 * Winathians - Winath is an ancient colony of Earth. Their representatives are Lightning Lad and Lightning Lass of the Legion of Super-Heroes, and their brother Lightning Lord.
 * Wingors - a race of winged gorillas from planet Illoral, a planet that was conquered by Thanagar.

X

 * Xan - Living electromagnetic beings, thrived in the earliest era on Krypton.
 * Xanadorans - Humanoid race and home to Star Sapphire Dela Pharon. Recently she has looked more alien, with darker skin and a more alien-like complexion.
 * Xanthuans -
 * Xenoformers - The Xenoformers from Galaxy X are Grant Morrison's bizarre meld of the Transformers and Scoop from Bob The Builder. Currently a Xenoformer named Metalek is imprisoned in Britain's Basement 101.
 *  Xenusians  - The Xenusians were a race of malevolent aliens who spread a mysterious plague that caused the victims to mutate and transforms into new Xenusians. Also, the Xenusians were responsible for the annihilation of the entire Vexaphon race.
 * Xudarians - The Xudarians of Xudar are an orange skinned species of extraterrestrial pseudo-avians. Their most respected representative is Tomar-Re of the Green Lantern Corps.

Y

 * Yazz - The Yazz are a birdlike alien race represented by the Yazz.
 * Yellow Martians - The Yellow Martians are one of three known species of Martians in the DC Comics universe, the others being the Green and the White Martians. The fate of the Yellow Martians is unknown, but they may be related to Klaramarians (Yellow Saturnians) as represented by the Faceless Hunter.
 * Yggardis the Sorcerer Planet - Yggardis The Sorcerer Planet is a living planet similar to Mogo, and also a powerful sorcerer with cybernetic tentacles. Yggardis is a founding member of the Forgotten Villains.
 * Yorg - A mysterious extradimensional race of living shadows who assisted another alien race known as the Mygorg with enslaving the Pytharians. The Lightning Lords were the ruling elite of Pytharia, home of the swordswoman known as Starfire. The Yorg were also closely allied with a sorceress named Lady Djinn. The Yorg exhibited shadow manipulation abilities similar to those of the Shadow Thief.

Z

 * Zambians - A race of humanoid people who had their planet destroyed by Qinoori raiders for minerals. Ferrin Colos joined the Darkstars after seeing his planet's destruction.
 * Zandrians - The Zandrians of Zandria are a race of would be world conquerors incapable of harming sentient life.
 * Zamarons - The Zamarons are a Maltusian descended race, cousins of similar offshoot races such as the Oans and Controllers.
 * Zaons - Green Lantern G'paak's race
 * Zarolatts - Energy race who were enslaved by the tyrannical Macrolatts. The Weird is a member of this race.
 * Zaroxians - The Zaroxians of Zarox-13 are a race of green skinned rotund humanoids with advanced polymer science, and robotics technology. The alien conqueror known as Garguax is a Zaroxian.
 * Zeerangans - The Zeerangans are a militaristic race hail from planet Zeeranga who attempted to conquer planet Omeron.
 * Zilliphi - Taa's race
 * Zoltams - The Zoltams of Zoltam are an advanced alien society with sound based technology, they are also able to use sound to power their cities. Zoltams have light yellow skin, wide flat skulls, and pointed ears.
 * Zumoorians - The Zumoorians of Zumoor are humanoids. The golden energy rays of Zumoors moon appear to trigger the metagene in humans. Thomas Keith of Earth traveled to Zumoor with his dog Rovo, there he was adopted Chad and Vela Kazzan and rechristened Zarl Kazzan. Somehow Zarl and his dog Rovo gained metahuman powers equal to a Kryptonian which they used to protect Zumoor.
 * Zwenites- Inhabitants of the planet Zwen, an ancient colony of Earth. The Zwenites developed the ability to transform themselves into static stone forms in order to deal with the planet's exceptionally long rotation around its sun.  Zwen's most famous native is Stone Boy of the Legion of Substitute Heroes.