His Majesty O'Keefe is a 1954 American adventure film directed by Byron Haskin and starring Burt Lancaster. The cast also included Joan Rice, André Morell, Abraham Sofaer, Archie Savage, and Benson Fong. The screenplay by Borden Chase and James Hill was based on the novel of the same name by Laurence Klingman and Gerald Green (1952).

Byron Conrad Haskin was an American film and television director, special effects creator and cinematographer. He is best known for directing The War of the Worlds (1953), one of many films where he teamed with producer George Pal.