Nova is an ambiguous name which may refer to:
- An exploding star (although we don't have a trope for that).
- Nova, a Marvel Comics superhero comic.
- Nova, a science fiction novel by Samuel R. Delany.
- The Nova Trilogy, a series of novels by William S. Burroughs.
- Nova, a musical group.
- Nova, a science documentary series on American public television.
- Near Orbital Vanguard Alliance (N.O.V.A.), a video game for the iPod/iPhone.
- A character in Kirby Super Star, its remake, and Kirby: Planet Robobot.