Robin Fox MC (15 July 1913 – 20 January 1971) was an English actor, theatrical agent, and chairman of the English Stage Company, best remembered as the founder of a family of actors. His sons are James, Edward, and Robert Fox. His grandchildren include Emilia, Laurence, Jack, Freddie, and Lydia Fox.
Fox was born in the parish of St George's, Hanover Square, Westminster, the son of Arthur William Fox and Hilda Louise Fox (formerly the actress Hilda Alcock, a member of Herbert Beerbohm Tree's theatrical company), and was the grandson of Samson Fox (1838–1903), a British engineer and philanthropist, principal founder of the Royal College of Music and inventor of the corrugated boiler flue. His mother and his aunt Lily Hanbury were first cousins of Julia Neilson, mother of Phyllis and Dennis Neilson-Terry. Julia Neilson was married to Fred Terry, brother of Dame Ellen Terry. Altogether seven of his cousins were actors.
During the Second World War, Fox became an officer cadet and in August 1940 was commissioned into the Royal Artillery. In February 1945, he was awarded the Military Cross. He rose to the rank of acting major.