Multiplicity is a 1996 American science fiction comedy film starring Michael Keaton and Andie MacDowell about a man able to duplicate himself by machine, each duplicate developing a different personality, causing problems. It was based on Chris Miller's short story "Multiplicity", published in National Lampoon magazine, Spring 1993. The film was co-produced and directed by Harold Ramis. The original music score was composed by George Fenton.

The film was released July 17, 1996. It received mixed reviews from critics, and grossed a worldwide total of $37 million at the box office, significantly less than its $45 million budget.