Kurt Cobain: Montage of Heck is a 2015 American documentary film about Nirvana lead singer Kurt Cobain. The film was directed by Brett Morgen and premiered at the 2015 Sundance Film Festival. It received a limited theatrical release worldwide and premiered on television in the United States on HBO on May 4, 2015. The documentary chronicles the life of Kurt Cobain from his birth in Aberdeen, Washington, in 1967, through his troubled early family life and teenage years and rise to fame as frontman of Nirvana, up to his suicide in April 1994 in Seattle at the age of 27.

The film includes artwork by Cobain as well as music and sound collages composed by him. Much of music and sound collages were released on the film's soundtrack, Montage of Heck: The Home Recordings. A companion book was also released containing film animation stills from the film as well as transcripts of interviews, photographs, and pieces of Cobain's artwork not featured in the film.