John Jacob Sher (16 March 1913 – 23 August 1988) was an American newspaper columnist, songwriter, film director, film writer, and producer.

Born in Minneapolis, Sher wrote for several magazines, including the Saturday Evening Post, Esquire, Redbook, Radio Mirror, Reader's Digest, and Collier's. He also had been a columnist for the New York Reporter, and from 1937 to 1940 Screen & Radio Weekly, a nationally syndicated Sunday supplement published by the Detroit Free Press.