Bash or BASH may refer to:
- Bash (name), including a list of persons with the name
- Bash (Unix shell), computer software
- Party, a social gathering
- Bird aircraft strike hazard, an aircraft and bird collision
- British Association for the Study of Headache, a member of the Migraine Trust
Arts and entertainment
- Bash! (Rockapella album), 1992
- Bash! (Dave Bailey album), 1961
- Bash: Latter-Day Plays, a dramatic triptych
- "Bash" (Glee), an episode from the fifth season of the Glee television show
- WWE The Bash, a professional wrestling event
- Buenos Aires in the Southern Highlands, a social Tango dance event in Australia
- Bash, a character in the video game Skylanders: Spyro's Adventure
- Bash and Dash, two logging engines in the television series Thomas & Friends
See also
- Bashing (disambiguation)
- Bashful (disambiguation)