John Powell (born 18 September 1963) is a British composer, best known for his scores to motion pictures. He has been based in the United States since 1997 and has composed the scores to over fifty feature films.

Since moving to the U.S. in 1997, he has scored a number of comedy and action films, including Robots, The Italian Job, The Bourne Identity, The Bourne Supremacy, The Bourne Ultimatum, Mr. & Mrs. Smith, Antz and Shrek and Chicken Run (co-composed with Harry Gregson-Williams), Endurance, Ice Age: The Meltdown, Jumper, Face/Off, Bolt, Horton Hears a Who!, and the recently released...