Geoffrey Johns (born January 25, 1973) is an American comic book writer, screenwriter, and film and television producer. Johns's work on the DC Comics characters Green Lantern, Aquaman, The Flash, and Superman has drawn critical acclaim. His critically acclaimed work includes Sinestro Corps War, Blackest Night, Infinite Crisis, Throne of Atlantis, Flashpoint, Doomsday Clock, Superman: Last Son, and Superman: Brainiac. He co-created the DC character Courtney Whitmore based on his deceased sister. He also expanded the Green Lantern mythology, adding in new concepts and co-creating numerous characters. Among the DC characters and concepts he co-created are the Sinestro Corps, the Indigo Tribe, the Red Lantern Corps, the Black Lantern Corps, Larfleeze, Atrocitus, Bleez, Jessica Cruz, Simon Baz, Hunter Zolomon, Tar Pit, Miss Martian, Kate Kane, and Christopher Kent.
He served as Chief Creative Officer (CCO) of DC Entertainment from 2010 to 2018 and as President and CCO from 2016 to 2018.