Derek Robert Nimmo (19 September 1930 – 24 February 1999) was an English character actor. He was particularly associated with upper class "silly-ass" roles, and clerical roles.

He made a cameo apperance in the Beatles' film, A Hard Day's Night (in which he appeared as "Leslie Jackson", a magician with doves).

He appeared in a number of British films and television series, as aristocrats, including starring roles in the television comedy series The World of Wooster (as "Bingo Little"), and in the comedy film One of Our Dinosaurs Is Missing (as "Lord Southmere"), as well as appearing in the James Bond spoof film Casino Royale.

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