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