Joseph Paul Locke (born March 18, 1959) is an American jazz vibraphonist, composer, and educator.

As a jazz musician, Locke was precocious, having played with musicians such as Dizzy Gillespie, Pepper Adams and Mongo Santamaría while in high school. Since moving to New York City in 1981, Locke has performed with Grover Washington, Jr., Kenny Barron, Dianne Reeves, Eddie Daniels, Jerry Gonzalez' Fort Apache Band, Rod Stewart, Beastie Boys, Eddie Henderson, Hiram Bullock, Bob Berg, Ron Carter, Jimmy Scott, Geoffrey Keezer, The Mingus Big Band and Randy Brecker, among many others. Locke has toured extensively throughout the world, both as leader and guest soloist. Some highlights include a 16-city tour of Russia, which culminated in a concert with the Moscow Chamber Orchestra, under the direction of violist Yuri Bashmet; a 30-city tour of all major capitals of Europe, performing Charles Mingus' magnum opus, "Epitaph", as a featured soloist under the direction of conductor Gunther Schuller; and a series of duet concerts in Italy with avant garde pianist Cecil Taylor.