Frank Gorshin (born April 5, 1934) is an American actor and comedian from Pittsburgh, Pennsylvania. He was best known as an impressionist, with many notable guest appearances on the Ed Sullivan Show and with Steve Allen.

His most famous roles may be as The Riddler on the Batman live action television series, in which he was clad in a bowler hat and an iridescent green body suit decorated with question marks. He also had a memorable role in the Star Trek episode "Let This Be Your Last Battlefield" as the half-whiteface, half-blackface Bele. Prior to that, he was a dramatic actor, often playing "tough guys" like those played by one of his favorite target of impressions, James Cagney, whom he was said to resemble.