A gang war is a type of conflict among street gangs.

Gang war may also refer to:

• Gang War (1928 film), an American film about gangsters
• Gang War (1940 film), an American film featuring an African American cast
• Gang War, an alternative name for Paper Bullets, a 1941 American film
• Gang War (1958 film) a 1958 American film starring Charles Bronson
• Gang War a 1962 British film featuring David Davies
• Gang War (1971 film), a 1971 Italian comedy film
• Gang War: Bangin' In Little Rock, a 1994 documentary film

• Gang Wars (video game), a 1989 video game
• Crime Life: Gang Wars, a 2005 video game

• Gangwar (disambiguation)
• Turf war (disambiguation)
• War Against the Gangs
• Category:Organized crime conflicts