Krusty most commonly refers to Krusty the Clown, a fictional character in the cartoon The Simpsons.
Krusty may also refer to:
- Krusty (music group), a female Hong Kong music group formed in 2005
- Krusty Krab, a fictional restaurant in the cartoon SpongeBob SquarePants
- KRUSTY, NASA project aiming to develop nuclear reactors for space travel