Don Preston is an American jazz and rock keyboardist. In the late 1950s and 1960s, he performed jazz and experimental music with artists like Charlie Haden and his group Aha!. Preston worked on and off with Frank Zappa from 1967 to 1974. Later, he recorded with artists such as Mike Mantler and Robby Krieger and released albums including Colliding Galaxies and The Don Preston Story.