Mickey's Once Upon a Christmas is a 1999 American direct-to-video animated Christmas anthology comedy fantasy film produced by Walt Disney Television Animation. The film includes three features: Donald Duck: Stuck on Christmas (featuring Donald Duck, Huey, Dewey, and Louie, Daisy Duck, and Scrooge McDuck), A Very Goofy Christmas (featuring Goofy, Max, and Pete) and Mickey and Minnie's Gift of the Magi (featuring Mickey Mouse, Minnie Mouse, Pluto, Pete, Daisy, and Mortimer Mouse). Other Disney characters also make cameos in the film. Stuck on Christmas is inspired by the 1892 short story "Christmas Every Day" by William Dean Howells and Mickey and Minnie's Gift of the Magi is based on the 1905 short story "The Gift of the Magi" by O. Henry.

A sequel, titled Mickey's Twice Upon a Christmas, was released on November 9, 2004. Unlike its predecessor, the sequel is produced in CGI rather than hand-drawn animation and is composed of five segments.

Upon the release of Mickey's Once Upon a Christmas, the film received mixed reviews from critics. However, it was well-received by audiences, making the film a Christmas cult classic.