Marion Brown (born 8 September 1935 in Atlanta, Georgia, USA) is a jazz alto saxophonist and ethnomusicologist. He is most well-known as a member of the 1960s avant-garde jazz scene in New York City, playing alongside musicians such as John Coltrane, Archie Shepp, and John Tchicai. He performed on Coltrane's landmark 1965 album Ascension.
Brown was born in Atlanta, Georgia in 1935. He joined the Army in 1953 and in 1956 went to Clark College to study music. In 1960 Brown left Atlanta and studied pre-law at Howard University for two years. He moved to New York in 1962 where he befriended poet Amiri Baraka and many musicians such as Ornette Coleman, Archie Shepp, Sun Ra, Pharaoh Sanders, Paul Bley and Rashied Ali. He appeared on several important albums from this period such as Shepp's Fire Music and New Wave in Jazz, but most notably John Coltrane's Ascension.