Don's Plum is a 2001 black-and-white independent drama film directed by R. D. Robb, starring Leonardo DiCaprio, Tobey Maguire and Kevin Connolly. It was filmed in 1995–1996, and written by Robb with Bethany Ashton, Tawd Beckman, David Stutman and Dale Wheatley. The film takes place over the course of one night in which a group of young adults discuss life while eating at a diner.

The film was blocked from release in the U.S. and Canada, as DiCaprio and Maguire claim that they had only agreed to star in a short film but not a feature film.Blake Sennett of Rilo Kiley provided the soundtrack for the film. His bandmate Jenny Lewis has a role as Sara.

It is the second film collaboration between Maguire and DiCaprio, the first being This Boy's Life, released in 1993, and the third being The Great Gatsby, released in 2013.