Larry Martyn, English actor (b. 1934)
Lawrence Martyn (22 March 1934 – 7 August 1994) was a British film and television actor known for his comedy performances.

Martyn was born in London and was a member of the Parachute Regiment. He was famous as store maintenance man "Mr. Mash" in the BBC comedy series Are You Being Served?, appearing in the first three series before being replaced by Arthur English. He was unable to continue in this role because he was committed to the television series Spring and Autumn with Jimmy Jewel. Other TV appearances included Dad's Army, On the Buses, Look - Mike Yarwood!, Rising Damp, The Detectives and Grange Hill. He also played alongside Frankie Howerd in two of his BBC shows, Up Pompeii! and Whoops Baghdad.