Best Man Down is an American film written and directed by Ted Koland and starring Justin Long, Jess Weixler, Addison Timlin, and Tyler Labine.

The film was primarily shot in the Twin Cities and premiered in the fall of 2012 at The Hamptons International Film Festival under the original title "LUMPY." The film was also chosen to close the Twin Cities Film Fest in October 2012 and was the black tie gala screening for the Catalina Film Festival in September 2013. It was released theatrically in the United States by Magnolia Pictures on November 8, 2013, but had primary distribution through digital channels.