Mash may mean:
- Mobile Army Surgical Hospital, a United States Army medical unit serving as a hospital in a combat area of operations
- M*A*S*H, a depiction of a U.S. Mobile Army Surgical Hospital during the Korean War:
- MASH: A Novel About Three Army Doctors, the original novel by Richard Hooker
- M*A*S*H (novels), a series of novels that followed the original
- MASH (film), a 1970 film based on the original novel
- M*A*S*H (TV series), a TV series inspired by the film
- AfterMASH, a spin-off TV series
- M*A*S*H, a depiction of a U.S. Mobile Army Surgical Hospital during the Korean War:
- MASH (game), a childhood fortune-telling game
- MASH (modulator), Multi-stage noise shaping
- Mash, a mixture of hot water and crushed grain that is used to produce malt beverages
- Yahoo! Mash, Yahoo's new social networking site, launched in early September 2007
- MASH-1, a cryptographic hash algorithm
- Mashup (web application hybrid), a web application that combines data from more than one source into a single integrated tool. (example mainstream media usage)
Mash may also refer to:
- Southern American slang for pressing a button. Ie, "Mash the green button."
- A British slang term for mashed potatoes
- Bastard pop, also known as "mashing" and "mashups", a kind of pop-music remix
- Mashramani, often abbreviated to "Mash", a festival which takes place in Guyana on 23 February (Guyana Republic Day)
- A minor Biblical figure
