A raygun is a science-fiction weapon.
Raygun also may refer to:
- Raygun (band), a British band
- Raygun (album), a 1996 album by the Matthew Good Band
- Ray Gun (magazine), a music magazine published during the 1990s
- Raygun (breakdancer) (Rachael Gunn, born 1987), Australian breakdancer
- Ray Gun Suitcase, an album by Pere Ubu
- Plastic Raygun, a successful independent record label in the UK