Donald Jay Rickles (May 8, 1926 – April 6, 2017) was an American stand-up comedian and actor.

He became known primarily for his insult comedy. His film roles include Run Silent, Run Deep (1958), Enter Laughing (1967), Kelly's Heroes (1970), and Casino (1995).

From 1976 to 1978, Rickles had a two-season starring role in the NBC television sitcom C.P.O. Sharkey, having previously starred in two eponymous half-hour programs, an ABC variety show titled The Don Rickles Show (1968) and a CBS sitcom identically titled The Don Rickles Show (1972).