Adrian Johnston (born 1961) is a British musician and composer for film and TV.

Born in Cumbria, England, Johnston attended Edinburgh University, reading English. He has been a drummer in various bands including Moles for Breakfast, The Waterboys, the Wanglers, Combo Zombo, and [The Mike Flowers Pops]]. During his twenties, he travelled the world providing music accompaniment to silent films at film festivals. He later scored productions for the Royal National Theatre and the Royal Shakespeare Company.