Blue Rhythm is a 1931 Mickey Mouse animated short film directed by Burt Gillett, produced by Walt Disney Productions and distributed by Columbia Pictures. It was the 31st short in the Mickey Mouse film series, and the seventh of that year. The plot focuses on a multifaceted performance of W. C. Handy's "St. Louis Blues". The film features the voices of Walt Disney as Mickey and Marcellite Garner as Minnie Mouse.

Edna Marcellite Garner was an American artist and voice actress. She is most remembered as the first regular voice of Minnie Mouse during her time working at Walt Disney Productions and has been partially credited with defining Minnie's personality.