Man of war may refer to:
Military Man-of-war, refers to any type of heavily armed warship from the 16th to the 19th centuries Animals Man-of-war fish, a driftfish generally found in open sea or close to the Portuguese man o' war Portuguese man o' war, also referred to as Portuguese man of war, a floating marine colonial hydrozoa Media Men of War (1994 film), a 1994 American film Max Manus: Man of War, a 2008 Norwegian film "Man of War" (song), a song by Radiohead Man of War (video game), a 1997 naval combat strategy game Men of War (2024 film), a 2024 American and Canada film Man of War (2026 film), a 2026 American film
Places Man of War gneisses, a sequence of metamorphosed igneous rocks found on the Lizard peninsular in Cornwall, UK Man of War, County Dublin, Ireland, a small populated place
See also Man o' War (1917–1947), an American Thoroughbred racehorse Manowar, an American heavy metal band Men of war (disambiguation)