Don Was (born Don Fagenson on September 13, 1952 in Detroit, Michigan) is an American musician and a music and record producer.

Fagenson graduated from Oak Park High School in Detroit then attended the University of Michigan at Ann Arbor but dropped out after the first year. A journeyman musician, he grew up listening to the Detroit blues sound and the jazz music of John Coltrane and Miles Davis. Using the stage name "Don Was," he formed the group Was (Not Was), making several record albums in the 1980s before disbanding in 1993. However, the group have reunited for performing and recording with two albums scheduled to be released in 2005.

Don was has earned recognition as a capable record producer and has produced for numerous singers including Bob Dylan, Bob Seger, Glenn Frey, Iggy Pop, Khaled, Jackson Browne, and several albums for Bonnie Raitt including her Nick of Time album that won the 1990 Grammy Award for Album of the Year.

Was has worked with such bands as the Rolling Stones, The B-52's, Barenaked Ladies and others. He served as musical director and/or consultant for several motion pictures such as The Country Bears , The Rainmaker, and Hope Floats .

In 1995, Don Was earned a Grammy Award for Producer of the Year.