John Joseph Perkovich
- Bats Right, Throws Right
- Height 5' 11", Weight 170 lb.
- Debut May 6, 1950
- Final Game May 6, 1950
- Born March 10, 1924 in Chicago, IL USA
- Died December 16, 2000 in Little Rock, AR USA
John Perkovich pitched one game in the majors, for the Chicago White Sox in 1950. It was Luke Appling's last season in the majors, Chico Carrasquel's first season in the majors, and Nellie Fox's first season with the White Sox.
- Richard Tellis: Once Around The Bases, Triumph Books, Chicago, 1998, pp. 129-134.