Marilyn Mazur (born 1955) is a percussionist, drummer, composer, vocalist, pianist, dancer, and bandleader. She was born in New York and has lived in Denmark from age six. She is of Polish and African-American descent. From 1975 she has worked as percussionist with various groups, among others the group Six Winds with Alex Riel. Mazur is primarily autodidact, but she has taken a degree in percussion at the Royal Danish Conservatory.

She has worked with many musicians: John Tchicai, Pierre Dørge (New Jungle Orchestra), Niels Henning Orsted Pedersen, Palle Mikkelborg, Arild Andersen, Eberhard Weber, Jan Garbarek, Miles Davis, and Gil Evans, to mention a few.

The U.S. magazine Down Beat in 1989, 1990 and 1995 selected Mazur as a "percussion-talent deserving wider recognition".