"You Don't Believe" is a song by The Alan Parsons Project that was co-written by Eric Woolfson and Alan Parsons. It was first included on the band's 1983 compilation album The Best of the Alan Parsons Project, where it was the only previously unreleased track included on the album. Arista Records issued the track as a single to coincide with the release of the compilation and charted in both Canada and the United States. In 1984, "You Don't Believe" was also included on the band's 1984 studio album, Ammonia Avenue.