"Knockin' on Heaven's Door" is a song by American singer-songwriter Bob Dylan, written for the soundtrack of the 1973 film Pat Garrett and Billy the Kid. Released as a single two months after the film's premiere, it became a worldwide hit, reaching the Top 10 in several countries. The song became one of Dylan's most popular and most covered post-1960s compositions, spawning covers from Eric Clapton, Guns N' Roses, Randy Crawford, and more.

Pat Garrett & Billy the Kid is the twelfth studio album and first soundtrack album by American singer-songwriter Bob Dylan, released on July 13, 1973, by Columbia Records for the Sam Peckinpah film of the same name. Dylan himself appeared in the film as the character "Alias". The soundtrack consists mainly of instrumental music and was inspired by the movie itself. The album includes "Knockin' on Heaven's Door", which became a trans-Atlantic Top 20 hit.