Gary Bernard Stewart Yershon (born 2 November 1954) is an English composer. His works include music for theatre, radio, television, film, and dance. He is an Associate Artist of the Royal Shakespeare Company.

Born in London, he began his career as an actor. He also worked as writer/translator (e.g. Ruslan and Lyudmila for the BBC) and as musical director for Phyllida Lloyd's 1994 production of The Threepenny Opera at the Donmar Warehouse and for Mike Leigh's 1999 film Topsy-Turvy. He subsequently composed the scores for several of Leigh's films: Happy-Go-Lucky, Another Year, Mr. Turner, Peterloo and Hard Truths. Description above from the Wikipedia article Gary Yershon, licensed under CC-BY-SA, full list of contributors on Wikipedia.