The Rumperbutts is a 2015 American musical comedy written and directed by Marc Brener, starring Kori Gardner and Jason Hammel of the indie pop duo Mates of State, as well as Vanessa Ray, Josh Brener and Arian Moayed. Marc Brener and Dena Hysell, of Rumpus Room Productions, are the producers of the film. The film is distributed by Mance Media and was released theatrically on May 22, 2015. The film was also released in HD and 4K Ultra HD formats.

Mates of State are an American indie pop duo, active since 1997. The group is the husband-and-wife team of Kori Gardner and Jason Hammel.