Barre Phillips (born October 27, 1934 in San Francisco, California) is a jazz and free improvisation bassist. A professional musician since 1960, he migrated to New York City in 1962, then to Europe in 1967. Since 1972 he has been based in southern France.

He studied briefly in 1959 with S. Charles Siani, Assistant Principal Bassist with the San Francisco Symphony During the 1960s he recorded with (among others) Eric Dolphy, Jimmy Giuffre, Archie Shepp, Attila Zoller, Lee Konitz and Marion Brown.