Alan Anthony Silvestri (born March 26, 1950) is an American composer and conductor known for his film and television scores.

He is best known for his frequent collaboration with Robert Zemeckis, composing for such major hit films as the Back to the Future trilogy, Who Framed Roger Rabbit, and Forrest Gump, as well as the superhero films Captain America: The First Avenger, The Avengers, and the upcoming Avengers: Infinity War. His other film scores include The Delta Force, Predator and its sequel Predator 2, The Abyss, Stuart Little, The Mummy Returns, Lilo & Stitch, Night at the Museum and more recently, Ready Player One. He is a two-time Academy Award and Golden Globe Award nominee, and a three-time Saturn Award and Primetime Emmy Award recipient.