John Rozum is an American writer of comic books who is best known for his work for Milestone Comics (where he wrote Xombi and Kobalt); he has also worked for Topps Comics (where he wrote comic-book adaptations of The X-Files) and Marvel Comics. In 2009, NBC announced that they were beginning an adaptation of Rozum's Vertigo Comics series, Midnight, Mass.
"Bart Rozum", a character in Damage Control, is named for John Rozum; Damage Control is written by Dwayne McDuffie, with whom Rozum is friends, and who hired Rozum to create and write Xombi and Kobalt.