"The End of Arthur's Marriage" is a television satirical musical drama that was an episode in The Wednesday Play series first broadcast on 17 November 1965. It was an early work of director Ken Loach, and the script was written by poet Christopher Logue. It is unusual in Loach's catalogue for the surrealism, and the director later said that he believed himself to have been "the wrong man for the job". Main actor Ken Jones had previously worked with Loach on Wear a Very Big Hat and 3 Clear Sundays and later featured in the controversial 1969 play The Big Flame.

It has never been repeated on the BBC since the showing on 17 November 1965, and the film was rare until its release with the Ken Loach at the BBC DVD box-set in 2011.