约翰·墨菲，John Murphy (born 4 March 1965) is an English film composer,best known for composing the music for Vadim Jean's One More Kiss, Guy Ritchie's Lock, Stock and Two Smoking Barrels, Michael Mann's Miami Vice, Matthew Vaughn's Kick-Ass, and the Danny Boyle films 28 Days Later, Millions, and Sunshine. His instrumental tracks In the House - In a Heartbeat and Adagio in D Minor have been featured in a variety of TV shows, commercials and film trailers.