John Thomas Sheehan (April 15, 1893 – May 29, 1987) was a professional baseball player who played infield for the Brooklyn Robins in the 1920 and 1921 baseball seasons. He attended college at Fordham University.
After his playing career, Sheehan worked as the director of the Chicago Cubs farm system.
He later managed in the minor leagues during 1916–1953. After that, he became a scout, serving as Scouting Director for the Washington Senators in the 1960s.