List of DC Comics characters: J

J

 * J-678
 * J.A.K.E. 1 (also known as G.I. Robot (III))
 * J.A.K.E. 2 (also known as G.I. Robot (IV))
 * J. Carroll Corcoran (Warner Bros. Animation (DCAU))
 * J.D. Eltham
 * J. Edgar Hoover (DC Elseworlds)
 * J. Hubert Wellington
 * J.J. Brandon
 * J. Johnson
 * J. Morgan Bucksworth (Fawcett Comics)
 * J.P. Astor
 * J.P. Houston
 * J. Pauline Spaghetti (20th Century-Fox Television)
 * J.R. Ogden (also known as John Ogden)
 * J. Robert Arngrim
 * J. Robert Arngrim (clone)
 * J. Roger
 * J. Vander Wallace
 * J. Wilbur Wolfingham
 * J. Wilkins
 * J'onn J'onzz (also known as Martian Manhunter, Manhunter from Mars and John Jones)
 * J'onn J'onzz (also known as Mister X) (Amalgam Comics)
 * J'onzz, Ma'alefa'ak (also known as Ma'alefa'ak and Malefic)
 * Jace (Warner Bros. Animation (DCAU))
 * Jack (also known as Lead)
 * Jack
 * Jack (Warner Bros. Animation (DCAU))
 * Jack B. Quick
 * Jack B. Quick (America's Best Comics)
 * Jack Borden
 * Jack Bradley
 * Jack C. Small
 * Jack Daw (also known as Monster) (Vertigo)
 * Jack Drake
 * Jack Edison
 * Jack Gold
 * Jack Green
 * Jack Grogan (also known as Commissioner Grogan, Peter Grogan and Edward Grogan)
 * Jack Haly (also known as C.C. Haly)
 * Jack Hatfield (WildStorm)
 * Jack Hawk (Quality Comics)
 * Jack Hawksmoor (WildStorm)
 * Jack Holdaway
 * Jack Horner (Vertigo)
 * Jack Jordan
 * Jack Keenan
 * Jack Kennedy
 * Jack Lahana (WildStorm)
 * Jack Nimball (also known as Toyman)
 * Jack O'Donnell
 * Jack of Clubs
 * Jack of Fire (also known as Jack Cassidy)
 * Jack of Spades (I)
 * Jack of Spades (II)
 * Jack O'Lantern
 * Jack O'Lantern
 * Jack O'Lantern
 * Jack Payton
 * Jack Ryder (also known as Creeper)
 * Jack Ryder (also known as Nightcreeper and Kurt Ryder) (Amalgam Comics)
 * Jack Spade (also known as Hijack)
 * Jack Stark (also known as Terror)
 * Jack T. Chance
 * Jack the Ripper (also known as Jacob Packer (Earth-19) (DC Elseworlds))
 * Jack Turley (Warner Bros. Animation (DCAU))
 * Jack Vanders
 * Jack Weston (also known as Minute-Man) (Fawcett Comics)
 * Jack Wyznowski
 * Jackal
 * Jackal
 * Jackal
 * Jackhammer (also known as Jackson Hammersmith
 * Jackhammer
 * Jackie Barnett
 * Jackie Johnson
 * Jackie Kennedy (also known as Jacqueline Bouvier Kennedy)
 * Jackie Wallace (Warner Bros. Animation (DCAU))
 * Jacko
 * Jackson Chappell (Warner Bros. Animation (DCAU))
 * Jackson Dane (also known as Dane) (WildStorm)
 * Jackson
 * Jackson Davies
 * Jackson King (also known as Battalion) (WildStorm)
 * Jackson Porter
 * Jackson Randell (also known as Destroyer)
 * Jackson "Rats-Eye" Drake
 * Jackson, Bearclaw
 * Jackson, Belle (also known as Microwavebelle)
 * Jackson, Frank
 * Jackson, Leon
 * Jackson, Thomas (Warner Bros. Animation (DCAU))
 * Jaclyn
 * Jacob Ashe
 * Jacob Krigstein (WildStorm)
 * Jacob Lee
 * Jacobs, Garrison (Warner Bros. Animation (DCAU))
 * Jacobs, Nurse
 * Jacoby
 * Jacques Foccart (also known as Invisible Kid)
 * Jacques Frontenac
 * Jacques Reynard
 * Jaculi (I)
 * Jaculi {II}
 * Jade (also known as Jennifer-Lynn Hayden)
 * Jade Emperor (Milestone Media)
 * Jade Moon
 * Jaeger
 * Jafar the Barmakid (Vertigo)
 * Jaffar
 * Jaffeer
 * Jaggard, Rich (Hostess)
 * Jagger, Thomas
 * Jaguar (Impact Comics)
 * Jaguar Shaman
 * Jah, Munni
 * Jahir Nassur
 * Jahr-Drake Ningle (also known as Blast-Off and Wildfire)
 * Jai West
 * Jailhouse Roc
 * Jaime (also known as Hornet)
 * Jake
 * Jake (Warner Bros. Animation (DCAU))
 * Jake (Warner Bros. Animation (DCAU))
 * Jake (Warner Bros. Animation (DCAU))
 * Jake Allen
 * Jake Baker (see Zebra-Man (II))
 * Jake Brent
 * Jake Grimaldi
 * Jake Hackett (also known as Big Jake Hackett)
 * Jake Hammer
 * Jake Jensen (Vertigo)
 * Jake Jordan (also known as Manhattan Guardian)
 * Jake Mobray
 * Jake Munson
 * Jake Tyler
 * Jakeem Thunder (also known as J.J. Thunder)
 * Jakob Kekana (also known as Herdsman)
 * Jak-Thal
 * Jakuta
 * Jall Tannuz (also known as Chameleon Chief)
 * James Bennet (Warner Bros. Animation DCAU))
 * James Binder
 * James Cameron
 * James Carson
 * James Carson's son
 * James Daniels
 * James Daniels' butler
 * James Erdel (also known as Saul Erdel and Mark Erdel)
 * James Forrest
 * James Gordon (also known as Commissioner Gordon)
 * James Gordon (Earth-5)
 * James Gordon android (Warner Bros. Animation (DCAU))
 * James Jesse (also known as Trickster)
 * James Kent
 * James Kim (also known as Butcher)
 * James Kirk (also known as Doctor Death) (Fawcett Comics)
 * James Rock
 * James Thurlow (also known as Ananze)
 * James Trent
 * James Van Dyle (Warner Bros. Animation (DCAU)
 * James, Aubrey
 * James, Barkley (Warner Bros. Animation (DCAU))
 * James, Mary (also known as Mary Pratt)
 * James, Cary
 * James, Rusty
 * Jameson, Scott
 * Jamie
 * Jamie Harper
 * Jamie Jerald (Warner Bros. Animation (DCAU))
 * Jamie Lombard
 * Jamm
 * Jan Arrah (also known as Element Lad)
 * Jan Dex
 * Jane Doe
 * Jan Haasan
 * Jan Jordan
 * Jan Morris
 * Jan Nagy
 * Jane Rogers
 * Jane Stewart
 * Jane Ware
 * Janet Logan
 * Janet Surrillo (Warner Bros.)
 * Janet Van Dorn (Warner Bros. Animation (DCAU)
 * Janet Van Dyne (also known as Elasti-Girl and Domino) (Amalgam Comics)
 * Jan-De
 * Jangle Jeffries (also known as Gilbert Jeffries)
 * Janice Maloney (also known as Miss X, Peggy Maloney and Margaret Maloney)
 * Janice Porter
 * Janice Tyler
 * Janice Warren
 * Janie
 * Janissary (also known as Selma Tolon)
 * Janke, Mister
 * Janu, the Jungle Boy
 * Janus (also known as Two-Face and Harvey Dent)
 * Janus
 * Janwillem Kroef
 * Japur Chunda
 * Jardine, Henri
 * Jared Tate (Warner Bros. Animation (DCAU))
 * Jarko
 * Jarrett, Ralph
 * Jarrod Jupiter (also known as Haze)
 * Jarta (also known as Queen Jarta)
 * Jarvis
 * Jarvis Kord
 * Jason
 * Jason (Columbia Pictures)
 * Jason (Warner Bros. Animation (DCAU))
 * Jason of Iolcus
 * Jason Bard
 * Jason Bloch
 * Jason Blood (also known as Etrigan the Demon)
 * Jason Jordan
 * Jason Morgan
 * Jason Morgan II
 * Jason Todd
 * Jason Trask (Warner Bros. Television)
 * Jason Woodrue (also known as Plant Master and Floronic Man)
 * Jaspar Crow (Quality Comics)
 * Jaspar Meekins
 * Jasper
 * Jasper J. Pepperwinkle (also known as Professor Pepperwinkle) (Warner Bros. Television)
 * Jasper Rasper
 * Jasper Smively
 * Jath, Lydda (also known as Night Girl)
 * Java
 * Javelin
 * Javen (WildStorm)
 * Javier Vasco (Vertigo)
 * Jax-Ur
 * Jay (Warner Bros. Animation (DCAU))
 * Jay Abrams (also known as Blue Jay)
 * Jay Allen (Warner Bros. Television)
 * Jay Amery
 * Jay Garrick (also known as Flash (I))
 * Jay Garrick (also known as Speed Demon and Etrigan) (Amalgam Comics)
 * Jay Harriman
 * Jay Kingston
 * Jay L - 3388
 * Jay West (also known as Flash (DC Elseworlds))
 * Jay Wilde
 * Jayna (Hanna-Barbera)
 * Jayne Payton (also known as Sadie Falk)
 * Jazzman (also known as James Peake) (Warner Bros. Animation (DCAU))
 * Jazzy
 * Jean
 * Jean Claude Tibet
 * Jean Loring (also known as Jean Loring-Palmer)
 * Jean Louis Mardis
 * Jean Norton
 * Jean-Claude
 * Jean-Marc de Villars (also known as Phantasmo)
 * Jean-Paul Lefèvre
 * Jeanne
 * Jeannette
 * Jeannette Punchinello
 * Jeannie Wind In Your Face
 * Jeb Carter
 * Jeb Friedman
 * Jeb Rollins
 * Jeb Stuart (I)
 * Jeb Stuart (II) (also known as Jeb Stuart Smith)
 * Jed Rikane (also known as Power Boy)
 * Jed Walker
 * Jeepers
 * Jeff
 * Jeff Adams (Warner Bros. Animation (DCAU))
 * Jeff Colby
 * Jeff Cotton
 * Jeff Farnham (also known as Domino)
 * Jeff Smith
 * Jeff Stanton
 * Jeffers, Dan
 * Jefferson Cole (Warner Bros. Television)
 * Jefferson Pierce (also known as Black Lightning)
 * Jefferson Smith (also known as Top)
 * Jefferson, Thomas (Vertigo)
 * Jefferson, Thomasina (Milestone Media)
 * Jeffreys, Darnell
 * Jekko the Clown (Warner Bros. Animation (DCAU))
 * Jemm, Son of Saturn
 * Jena (also known as Princess Jena)
 * Jenet Klyburn
 * Jenkins
 * Jenkins, Bud (Tribune Media Services)
 * Jenkins, Missus (Tribune Media Services)
 * Jenkins, Mister
 * Jenks, Eddie
 * Jenni Ognats (also known as XS)
 * Jennifer
 * Jennifer (DC Comics/Dark Horse Comics)
 * Jennifer Jordan
 * Jennifer Lee
 * Jennifer Westing (Warner Bros.)
 * Jennings
 * Jennings, Dock Commissioner (Quality Comics)
 * Jennings, Martha
 * Jennings, Mister
 * Jenny (Warner Bros. Animation (DCAU))
 * Jenny Holding
 * Jenny Jurden (also known as Jennifer Jurden)
 * Jenny Olsen
 * Jenny Quantum (WildStorm)
 * Jenny Sparks (WildStorm)
 * Jensen
 * Jensen, Raymond Maxwell (also known as Parasite)
 * Jenson, Tom
 * Jer-Em
 * Jeremiah Arkham
 * Jeremiah Cain (WildStorm)
 * Jeremiah Odets
 * Jeremy
 * Jeremy Glass
 * Jeremy Horton (also known as Hard Drive)
 * Jeremy Karne (also known as Kid Karnevil and Karnevil)
 * Jeremy Tine
 * Jericho (also known as Joseph Wilson)
 * Jerome Barney (Fawcett Comics)
 * Jerome, Brad
 * Jerro the Merboy
 * Jerry
 * Jerry
 * Jerry
 * Jerry (the Jitterbug)
 * Jerry Blake
 * Jerry Carver
 * Jerry Hawes
 * Jerry Hennelly (also known as Gerard Hennelly)
 * Jerry Hope
 * Jerry Kane
 * Jerry Lewis
 * Jerry McGee (also known as Speed Demon)
 * Jerry Noble (also known as Yankee Eagle and Larry Noble) (Quality Comics)
 * Jerry Quarry (20th Century-Fox Television)
 * Jerry Signstwice
 * Jerry White
 * Jerry's date
 * Jerry's father
 * Jerusalem, Spider
 * Jervis Tetch (also known as Mad Hatter)
 * Jeryl, Ambassador
 * Jeryll
 * Jess Bright (also known as Jeff Bright, Koshchei the Deathless and Yen Wang)
 * Jess Manning
 * Jesse Chambers (also known as Jesse Quick)
 * Jesse Martin
 * Jesse Reese (Warner Bros. Television)
 * Jesse Tenzer
 * Jessica
 * Jessica Midnight
 * Jessica Sloane
 * Jessie (Warner Bros. Animation (DCAU))
 * Jessup, George
 * Jessup, Missus
 * Jessy (Warner Bros. Animation) (DCAU))
 * Jest (Warner Bros. Animation) (DCAU))
 * Jester
 * Jesthra, Lord (WildStorm)
 * Jet (also known as Celia Windward)
 * Jet-Set Jessie (Hostess)
 * Jeven Ognats
 * Jewel (also known as White Witch, Mysa Nal, Xola Aq, Hag and Black Witch)
 * Jewel Cartier
 * Jewelee
 * Jewelius Blak (Green Lantern of Space Sector 1417)
 * Jezeba, Queen of Fury
 * Jezebel Jet
 * Jhor Lal
 * Ji Daggle
 * Jibbet, Dinky (also known as Mortimer Jibbet)
 * Jigger
 * Jiggers Jolton
 * Jigsaw Man (also known as Greg Rourke)
 * Jik
 * Jillian Pearlman
 * Jim
 * Jim (Vertigo)
 * Jim Aparo
 * Jim Barr (also known as Bulletman) (Quality Comics)
 * Jim Bell
 * Jim Bellows (Fawcett Comics)
 * Jim Boone
 * Jim Carson
 * Jim Cody (also known as Big Jim Cody)
 * Jim Colorado (Hostess)
 * Jim Corrigan (also known as Spectre)
 * Jim Craddock (also known as Gentleman Ghost)
 * Jim Craven
 * Jim Devlin
 * Jim Dover
 * Jim Gantry
 * Jim Harper (also known as Guardian)
 * Jim Laurey
 * Jim Morgan (It's a Bird...It's a Plane...It's Superman)
 * Jim Tate (also known as Armory) (Warner Bros. Animation (DCAU))
 * Jim Wilson
 * Jimmie Vale (Columbia Pictures)
 * Jimmy
 * Jimmy
 * Jimmy Carter
 * Jimmy Ciccerone
 * Jimmy Jones (also known as Yankee Doodle Boy)
 * Jimmy Kale
 * Jimmy Lin (Warner Bros. Animation (DCAU))
 * Jimmy Martin
 * Jimmy Olsen (also known as Flamebird) (The Adventures of Superman (radio))
 * Jinx
 * J-Man (Warner Bros. Animation (DCAU))
 * Jo Nah (also known as Ultra Boy)
 * Joan
 * Joan (Fawcett Comics)
 * Joan Acton (also known as Guinevere)
 * Joan Bryant
 * Joan D'Arcy (Vertigo)
 * Joan Garrick (also known as Joan Williams)
 * Joan Jameson (Fawcett Comics)
 * Joan Leland (Warner Bros. Animation (DCAU))
 * Joan Lincoln
 * Joan Rogers (also known as Ginger)
 * Joanie
 * Joanie Swift
 * Joanie's father
 * Joanna "Johanna" Fleming (alias of Jayna)
 * Joanna Levine
 * Joanne Ridings
 * Joannie (also known as Heatstroke)
 * Joanqin
 * Joar Mahkent (see Icicle)
 * Jocko-Boy Vanzetti
 * Jody (Warner Bros. Animation (DCAU))
 * Joe
 * Joe
 * Joe
 * Joe
 * Joe
 * Joe
 * Joe
 * Joe
 * Joe
 * Joe (Warner Bros. Animation (DCAU))
 * Joe (Warner Bros. Animation (DCAU))
 * Joe (Tribune Media Services)
 * Joe (Tribune Media Services)
 * Joe Bartlett (also known as Joely Bartlett)
 * Joe Bester
 * Joe Bigfoot
 * Joe Cardona (Condé Nast Publications)
 * Joe Carny (also known as King of Spades
 * Joe Carson
 * Joe Chill
 * Joe Chill (Earth-5)
 * Joe DiMaggio (Vertigo)
 * Joe Dolman
 * Joe Drew
 * Joe Flint
 * Joe Hall
 * Joe Hodges (Quality Comics)
 * Joe Kline (Warner Bros. Television)
 * Joe Letterman
 * Joe Lewis
 * Joe Ling (It's a Bird...It's a Plane...It's Superman)
 * Joe Mack
 * Joe Potato
 * Joe Public
 * Joe Rigger (also known as Firebug)
 * Joe Rigger's sister
 * Joe Smith
 * Joel (Warner Bros. Animation (DCAU))
 * Joel Kent (DC Elseworlds)
 * Joel Mayfield
 * Joey
 * Joey
 * Joey
 * Joey N'Bobo
 * Joey Smith
 * Joey Stromwell (Warner Bros. Animation (DCAU))
 * Joey "the Snail" Martin (Warner Bros. Animation (DCAU))
 * Joey Toledo
 * Johanna Constantine (Vertigo)
 * Johanna Rome
 * John (Warner Bros. Animation (DCAU))
 * John (Vertigo)
 * John Alvarez (also known as Doctor Mayavale)
 * John Armitage
 * John Bardeen
 * John Barnett
 * John Bates
 * John Belushi (Vertigo)
 * John Burwell
 * John Butcher (also known as Butcher)
 * John Carlinger (also known as Clayface)
 * John Carter (Edgar Rice Burroughs, Inc.)
 * John Chase
 * John Clay (WildStorm)
 * John Constantine
 * John Corben (also known as Metallo)
 * John Craig (Lippert Pictures, Inc.)
 * John Dandy (also known as Yankee Doodle Dandy)
 * John Dee (also known as Doctor Destiny and Doctor Dee)
 * John Diggle (also known as Spartan (Warner Brothers)
 * John Doe (also known as Copperhead)
 * John Doe
 * John Doran (WildStorm)
 * John Erickson (Warner Bros. Animation (DCAU))
 * John F. Kennedy
 * John Fox
 * John Galt (Fawcett Comics)
 * John Glenn
 * John Grayson
 * John Haley
 * John Hamner (Warner Bros. Animation (DCAU))
 * John Hathaway (Vertigo)
 * John Henry Irons (also known as Steel)
 * John Henry Steel (also known as Iron) (Amalgam Comics)
 * John Holliday (also known as Hawkman) (Tangent Comics)
 * John "Johann" Fleming (alias of Zan)
 * John Jones (Amalgam Comics)
 * John Jordan
 * John Kay (Warner Bros. Animation (DCAU))
 * John Kent
 * John Kieves
 * John Kiley
 * John Larrow
 * John Lattison
 * John Lynch (WildStorm)
 * John Mahoney
 * John Milton
 * John Navarro
 * John Nicholas
 * John Pope
 * John Reed
 * John R. Rogers
 * John Sargent (also known as Sargon the Sorcerer)
 * John Smith (also known as Red Tornado)
 * John Smith (also known as Hawkman and Carter Hall)
 * John Standing
 * John Stewart (also known as Green Lantern)
 * John Stone (WildStorm)
 * John Taggart
 * John Titus (also known as Condor)
 * John Trask
 * John Travers
 * John Trevor (also known as Adonis)
 * John Vance (also known as Batman, Junior)
 * John Watkins
 * John Watson (Warner Bros. Animation)
 * John Wether (also known as Pulse 8 and Master (II))
 * John Wing (Milestone Media)
 * John Zatara (also known as Zatara)
 * Johnny
 * Johnny
 * Johnny (also known as Lizard Johnny)
 * Johnny (Warner Bros. Animation (DCAU))
 * Johnny Aesop
 * Johnny Blank (also known as Valzorr)
 * Johnny Cloud
 * Johnny DC
 * Johnny Everyman
 * Johnny Green (20th Century-Fox Television)
 * Johnny Jingo (also known as American Eagle)
 * Johnny Kirk (also known as Superman, Junior)
 * Johnny Mann (also known as Son of Vulcan) (Charlton Comics)
 * Johnny Miles
 * Johnny Nevada
 * Johnny Peril
 * Johnny Quick (also known as Johnny Chambers)
 * Johnny Quick (Earth-3)
 * Johnny Rancid (Warner Bros. Animation)
 * Johnny Reb (also known as Uncle Sam) (Quality Comics)
 * Johnny Sorrow
 * Johnny Stitches (also known as John Denetto)
 * Johnny Storm (also known as Red Storm) (Amalgam Comics)
 * Johnny Stormtrooper (also known as Jonathan Stormtrooper) (Amalgam Comics)
 * Johnny Thunder (I) (also known as Johnny Thunderbolt) & (II)
 * Johnny Warlock
 * Johns, Professor
 * Johns, Stanislaus
 * Johnson, Edward C.
 * Johnson, Fran
 * Johnson, Lateesha
 * Johnson, Lyndon
 * Johnson, Mister (Warner Bros. Animation (DCAU))
 * Johnson, Nunally
 * Johnson, Shaquira (also known as Windsprint) (WildStorm)
 * Johnson, Skeeter
 * Johnston, Sue
 * Johnson, Walter, Junior (also known as Flipper Dipper and Flip)
 * Johnson, Walter, Senior
 * Johnston, Chuck
 * Johnston, Lyle (Warner Bros. Animation (DCAU))
 * Joker (also known as the Red Hood and Joker, Junior (DC Elseworlds))
 * Joker (also known as Jack Napier) (Warner Bros.)
 * Joker Junior (also known as Tim Drake and Robin) (Warner Bros. Animation (DCAU))
 * Joker-Mite (Warner Bros. Animation)
 * Joker's Daughter (also known as Duela Dent)
 * Joker's Daughter (DC Elseworlds)
 * Joker's lawyer (Warner Bros. Animation (DCAU))
 * Jokester (Earth-3)
 * Jolene Relazzo
 * Jolly Roger
 * Jon Bjornsen
 * Jon Crane
 * Jon Farmer (WildStorm)
 * Jon Halaway
 * Jon Smatten
 * Jon Terrill (McClure Syndicate)
 * Jon Varrel
 * Jonah Hex
 * Jonah McCarthy
 * Jonas Crowther
 * Jonas Glim
 * Jonas Smith
 * Jonathan Crane (also known as Scarecrow)
 * Jonathan Elliot
 * Jonathan Kent
 * Jonathan Kent (pocket universe)
 * Jonathan Levine (also known as Prestor Jon)
 * Jonathan Ross (also known as Jon Ross)
 * Jonathan Slaughter
 * Jonathan Spence
 * Jonathan Vincent Horne
 * Jones (Warner Bros. Animation (DCAU))
 * Jones, Archie
 * Jones, Batman
 * Jones, Becky (also known as New Wave)
 * Jones, Coach
 * Jones, Darwin
 * Jones, Flattop (Tribune Media Services)
 * Jones, Genius (also known as Johnny Jones)
 * Jones, Genius (also known as Professor Jaxon)
 * Jones, Giant-Killer
 * Jones, Selma (also known as Princess Primrose) (20th Century-Fox Television)
 * Jones, Professor (Fawcett Comics)
 * Jones, Rhea
 * Jones, Rudy (also known as Parasite)
 * Jones, Skipper (Fawcett Comics)
 * Jones, Snapper (also known as Bismuth) (Amalgam Comics)
 * Jones, Subaltern
 * Jones, Wendy (also known as Windfall)
 * Jong Li
 * Jongleur
 * Jonni DC
 * Jonni Future (America's Best Comics)
 * Jonni Thunder
 * Jonny Double
 * Jonson, Ben (Vertigo)
 * Jordan
 * Jordan Elliot (an alias of Superman)
 * Jordan Hill (Warner Bros. Animation (DCAU))
 * Jordan Kelley (also known as Green Lantern) (DC Elseworlds)
 * Jordan Matthew (also known as Mordred)
 * Jordan Pryce (Warner Bros. Animation (DCAU))
 * Jordan Rich
 * Jordan, Beth
 * Jordan, Captain
 * Jordan, Hal (also known as Green Lantern, Parallax and Spectre)
 * Jordan, Hal (also known as Madman Jordan) (Amalgam Comics)
 * Jordan, Harold "Hal" (also known as Air Wave)
 * Jordan, Helen (also known as Air Wave)
 * Jordan, Larry (also known as Air Wave)
 * Jordana Gardener
 * Jor-El
 * Jor-El II (also known as Superman II)
 * Jorel Kent (also known as Superman-II)
 * Jorge Lopez
 * Jorge Sanchez
 * Jor-L
 * Jor-L (DC Elseworlds)
 * Jorlan
 * Josdin
 * Jose Delgado (also known as Gangbuster)
 * Jose Jiminez (20th Century-Fox Television)
 * Josef Krantz (also known as Killer Josef Krantz)
 * Josek, Wacklaw (Warner Bros. Animation (DCAU))
 * Joseph Eames
 * Joseph Gibson (Warner Bros. Animation (DCAU))
 * Joseph J. Jerome
 * Joseph McCarthy
 * Joseph "Joe" Meach (also known as Composite Superman)
 * Joseph Martin (also known as Atomic Skull)
 * Joseph Shapiro (also known as Wildman)
 * Joseph Shepherd (also known as Mister Shepherd) (Vertigo)
 * Joseph Silver (also known as Astralad)
 * Joseph Stalin
 * Joseph Stilwell
 * Josephine MacDonald (also known as Josie Mac)
 * Josh Azeveda
 * Josh Coyle
 * Josh Morgan
 * Joshua
 * Joshua Abraham Norton (also known as Emperor Norton)
 * Joshua Clay (also known as Tempest)
 * Joshua Coldrake
 * Joshua Grimm
 * Joshua Walker (also known as All-American Boy)
 * Josiah Power
 * Josiah Wormwood (also known as Interrogator) (Warner Bros. Animation (DCAU))
 * Joto (also known as Isaiah Crockett, Slagger and Hot Spot)
 * Joto (853rd century)
 * Joy Lo, Kwan
 * Joyce
 * Joyce Carr (Warner Bros. Animation (DCAU))
 * Joyce Caulder (Warner Bros. Animation (DCAU))
 * Joyce Terrill
 * Juan
 * Juan
 * Juan Moro
 * Juan Templo (also known as Templo) (Milestone Media)
 * Jubal Slade
 * Jubilation Lee (also known as Sparrow) (Amalgam Comics)
 * Jud Blake
 * Judah Ben-Hur
 * Jude
 * Jude (Embassy Pictures)
 * Judge
 * Judge (also known as Two-Face and Harvey Dent) (Warner Bros. Animation (DCAU))
 * Judge Drake
 * Judge Dredd (also known as Joseph Dredd) (Fleetway)
 * Judge Faden (Warner Bros.)
 * Judge Gallows
 * Judge Holte
 * Judge Kobold
 * Judge Spencer
 * Judith
 * Judith Shakespeare (Vertigo)
 * Judomaster (also known as Hadley "Rip" Jagger) (Charlton Comics)
 * Judomaster (also known as Andreas Havoc)
 * Judomaster (also known as Sonia Sato)
 * Judson Randall
 * Judy
 * Judy Foster
 * Judy Jessup
 * Judy Jupiter
 * Judy Walton (also known as Judy Dorrance)
 * Jules
 * Jules Futrelle (also known as Lancelot)
 * Julia
 * Julia Johns
 * Julia Kapatelis
 * Julian Fyffe
 * Julian Parker (Milestone Media)
 * Julianna Berkowitz
 * Julie Caesar
 * Julie Crystal
 * Julie Madison
 * Julio Mendez (Warner Bros. Television)
 * Julius Caesar (also a supposed past life of Doctor Mayavale)
 * Julius Lieberman
 * Julius Schwartz
 * Jumpin' Jack
 * June (Warner Bros. Animation (''DCAU'))
 * June Moone (ak Enchantress)
 * June Robbins (also known as June Walker)
 * June Winthrop (Warner Bros. Animation (DCAU))
 * Jungle Joe
 * Jungle King
 * Junior (I)
 * Junior (II)
 * Junior Galante (see Zeiss)
 * Junior K-D
 * Junior Tracy (Tribune Media Services)
 * Junior Waveman (also known as Senior Waveman Kimura and Riki Kimura)
 * Juniper
 * Junk-Man
 * Jupiter (also known as Zeus and Jove)
 * Jupiter, Loren
 * Jurge Lopez
 * Jurgen Blaine (Warner Bros. Animation (DCAU))
 * Jurndaal, Lyysa

Justice Society of America‏‎

 * Justin (Warner Bros. Animation (DCAU))
 * Justin, Sir (also known as Shining Knight)
 * Juym