The Jazz Fool is a Mickey Mouse short animated film first released on October 15, 1929, as part of the Mickey Mouse film series. It was the twelfth Mickey Mouse short to be produced, the ninth of that year.
The cartoon's title combines the titles of two Al Jolson films: The Jazz Singer (1927) and The Singing Fool (1928). An early version of Horace Horsecollar appears, but is not yet the anthropomorphized character that he later evolves into.