Harold William "Bill" Varney (January 22, 1934 – April 2, 2011) was an American motion picture sound mixer. A two-time Academy Award winner, Varney shared the Academy Award for Best Sound Mixing for Star Wars: Episode V - The Empire Strikes Back in 1980 and Raiders of the Lost Ark in 1981. Varney also received Academy Award for Best Sound Mixing nominations his collaborative sound mixing on Dune in 1984 and Back to the Future in 1985.