Peter King (b. 11 August 1940 is an English jazz saxophonist, composer, and clarinettist.
King was born in Kingston upon Thames, Surrey, and taught himself to play the clarinet at the age of fifteen, quickly switching to alto saxophone. In 1959, at the age of nineteen, he was booked by Ronnie Scott to perform at the opening of Scott's club in Gerrard Street, London. In the same year he received the "Melody Maker New Star" award. He worked with Johnny Dankworth's orchestra from 1960 to 1961, and went on to work with the big bands of Maynard Ferguson, Tubby Hayes, Harry South, and Stan Tracey, the Brussels Big Band, and the Ray Charles band on a European tour. He has also played in small groups with musicians such as Philly Joe Jones, Zoot Sims, Al Cohn, Red Rodney, Hampton Hawes, Nat Adderley, Al Haig, Bill Watrous, and Dick Morrissey, and singers such as Jimmy Witherspoon, Joe Williams, Jon Hendricks, and Anita O'Day. He is a member of Charlie Watts' Tentet.