Man and Boy: Dada is a 2003 opera by Michael Nyman on a libretto by Michael Hastings. It tells the story of a friendship between aging dada artist Kurt Schwitters and a twelve-year-old boy. These two characters and the boy's mother make up the cast of the opera. It was first performed at the Badisches Staatstheater in Karlsruhe, Germany, on 13 March 2004, directed by . It was then produced by the on 15, 17 and 18 July 2004, in a production designed by Jeremy Herbert and directed by Lindsay Posner at Almeida Theatre.