Ken K. Mary is an American musician who has worked as a drummer, producer, engineer, and record executive on over thirty-five albums. He has worked in genres from heavy rock to choral music. Mary is best known for his work with acts such as Accept, Fifth Angel, Chastain, TKO, Impellitteri, House of Lords, Bonfire and Alice Cooper, and is currently the drummer of Flotsam and Jetsam and Jack Russell's Great White.