- a large amphitheater in Rome whose construction was begun by Vespasian about AD 75 or 80
- The Colosseum or, The Coliseum, originally the Flavian Amphitheatre (Latin: Amphitheatrum Flavium, Italian Anfiteatro Flavio or Colosseo), is an elliptical amphitheatre in the centre of the city of Rome, Italy, the largest ever built in the Roman Empire. ...
- Colosseum is a British progressive jazz-rock band formed in 1968 by drummer Jon Hiseman, tenor sax player Dick Heckstall-Smith and bass player Tony Reeves, who had previously worked together in John Mayall's Bluesbreakers on the Bare Wires album. ...
- Colosseum is a board game by Markus Lübke and Wolfgang Kramer, published by Days of Wonder. In the game, players attempt to attract the most spectators to the events in their arena.
- The Colosseum is a Manhattan apartment building located at 116th Street and Riverside Drive.
- Alternative spelling of coliseum