Look up state of war in Wiktionary, the free dictionary.
State of War may refer to:
- State of War (video game), a 2001 real-time strategy game
- State of War (novel), a novel by Ninotchka Rosca
- State of War: The Secret History of the CIA and the Bush Administration, a documentary review by James Risen
- State of War (play-by-mail game), a play-by-mail game launched in the 1980s