Luther is the 1974 American biographical drama film of John Osborne's biographical play, presenting the life of Martin Luther. It was one of eight in the first season of the American Film Theatre's series of plays made into films. It was produced by Ely Landau, directed by British director Guy Green, and filmed at Shepperton Studios, England. The film presents Martin Luther and his legacy for the world to evaluate. The young knight narrator is an "everyman" character who confronts Luther for advocating the suppression of the Peasants' Revolt of 1524–1526.

Luther is a 1961 play by John Osborne depicting the life of Martin Luther, one of the foremost instigators of the Protestant Reformation. Albert Finney created the role of Luther, which he performed with the English Stage Company at the Theatre Royal, Nottingham, the Théâtre Sarah Bernhardt, Paris, the Holland Festival, the Royal Court Theatre, London, the Phoenix Theatre, London, and the St. James Theatre, New York.