Mash may refer to:

• Mobile Army Surgical Hospital
  • M*A*S*H, a depiction of a U.S. Mobile Army Surgical Hospital during the Korean War:
    • M*A*S*H (novels), a series of novels started by Richard Hooker
    • M*A*S*H (film), a 1970 film directed based on the original novel
    • M*A*S*H (TV series), a TV series inspired by the film
    • AfterMASH, a spin-off TV series
  • MASH, the original, rejected title for Battle Circus, a 1953 film set in a Mobile Army Surgical Hospital during the Korean War.
• MASH (game), a childhood fortune-telling game.
• MASH (modulator), Multi-stAge noise SHaping.
• A mash, a mixture of hot water and crushed grain, which is used to produce malt beverages.
• Mash, a son of Aram mentioned in the Book of Genesis of the Hebrew Bible
• Mashed potatoes, as in the British bangers and mash
• Bastard pop, also known as "mashing" and "mashups", a kind of pop music remix
• Mashramani, a festival which takes place in Guyana on 23 February (Guyana Republic Day)

Mash | MASH | Mash | M*A*S*H