For the rugby league footballer, see Billy Cunliffe

Bill Cunliffe (born June 26, 1956) is an American jazz pianist and composer based in Los Angeles He has been described by The New York Times as being in the "modern jazz mainstream" and as an "accomplished pianist and composer." Ernie Rideout of Keyboard Magazine described Cunliffe's playing as "inventive, melodic, and soulful.".

He has written books on jazz for Alfred Publications, and teaches at California State University, Fullerton.