Kenny Dennis (born May 27, 1930) is a Philadelphia-born American jazz drummer. He has played on albums for Nancy Wilson, Sonny Stitt, Sonny Rollins, Johnny Griffin, Oscar Brown Jr., Charles Mingus, Billy Taylor, and Mal Waldron.

Dennis began his musical career in the United States Army Band, playing drums in three bands from 1948-1952. After being discharged, he connected with junior high school mate, pianist Ray Bryant and became part of The Ray Bryant Trio along with Jimmy Rowser on bass. They became the house trio at the North Philadelphia Jazz Club, Blue Note where they played for such jazz artists as Kai Winding, Chris Connor and Sonny Stitt. His career next took him to New York, where he worked with artists including Miles Davis, Phineas Newborn, Jr., Billy Taylor, Erroll Garner, Charles Mingus and Sonny Rollins.