Gary Indiana is an American writer, actor, artist, and cultural critic. He served as the art critic for the Village Voice weekly newspaper from 1985 to 1988. Indiana is best known for his classic American true-crime trilogy, Resentment, Three Month Fever: The Andrew Cunanan Story, and Depraved Indifference, chronicling the less permanent state of “depraved indifference” that characterized American life at the millennium's end.

Indiana has written, directed and acted in a dozen plays, mostly during the early 1980s. Performed in small New York City venues like Mudd Club, Club 57, the Performing Garage and the backyard of Bill Rice's East 3rd Street studio. Earlier plays included Alligator Girls Go to College (1979); Curse of the Dog People (1980); A Coupla White Faggots Sitting Around Talking (1980), which was filmed by Michel Auder in 1981; The Roman Polanski Story (1981); Phantoms of Louisiana (1981) and Roy Cohn/Jack Smith (1992), written with Jack Smith for performance artist Ron Vawter. The latter was filmed in 1994 by Jill Godmilow.

Indiana has acted in several mostly experimental films by, among others, Michel Auder (Seduction of Patrick, 1979, which he co-wrote with the director), Scott B and Beth B (The Trap Door, 1980), Melvie Arslanian (Stiletto, 1981, where he plays a bellhop at the bellhopless Chelsea Hotel), Jackie Raynal (Hotel New York, 1984), Ulrike Ottinger (Dorian Gray in the Mirror of the Yellow Press [de], 1984, with Veruschka as Dorian Gray and Delphine Seyrig as Doctor Mabuse), Lothar Lambert (Fräulein Berlin, 1984), Dieter Schidor (Cold in Columbia, 1985), Valie Export (The Practice of Love, 1985) and Christoph Schlingensief (Terror 2000: Intensivstation Deutschland, 1994, in which Udo Kier kills his character with a machine gun).