Leroy Jenkins (March 11, 1932 – February 24, 2007) was a composer and avant-garde jazz violinist and violist.
Jenkins was involved in the Association for the Advancement of Creative Musicians (AACM) while a public school teacher in Chicago. He co-founded the Creative Construction Company with Anthony Braxton and others. He led the Revolutionary Ensemble and formed a trio with Anthony Davis and Andrew Cyrille.
During 1987 he toured Europe as part of Cecil Taylor's group.
He gained recognition for music-theatre works such as The Mother of Three Sons (written in collaboration with Ann T. Greene), Fresh Faust and The Negros Burial Ground (in collaboration with Ann T. Greene), and The Three Willies (in collaboration with Homer Jackson).