Phil Upchurch (born 19 July 1941, Chicago, Illinois) is an American jazz and R&B guitarist and bassist.

Upchurch started his career working with the Kool Gents, the Dells, and the Spaniels before going on to work with Curtis Mayfield, Otis Rush and Jimmy Reed. He then returned to Chicago to play and record with Woody Herman, Stan Getz, Groove Holmes, B.B. King, and Dizzy Gillespie.