Brother Nature is a 2016 American comedy film directed by Osmany Rodriguez and Matt Villines, from a screenplay by Mikey Day, Cameron Fay, and Taran Killam.

It stars Killam, Bobby Moynihan, Gillian Jacobs, Rita Wilson and Bill Pullman.

The film was released in a limited release and through video on demand on September 9, 2016, by Insurge Pictures and Samuel Goldwyn Films.

Straight-laced Roger hopes to propose to his girlfriend during a weekend family getaway, but his overbearing would-be brother-in-law might get in the way.

In August 2014, it was announced Taran Killam, Bill Pullman, Rachael Harris, Rita Wilson, David Wain, and Bobby Moynihan had joined the cast of the film, with Matt Villines and Osmany Rodriguez directing from a screenplay by Killam, Cameron Fay, and Mikey Day, and Lorne Michaels serving as producer under his Broadway Video banner.