Harold David Ock
- Bats Right, Throws Right
- Height 5' 11", Weight 180 lb.
- School Lehigh University
- Debut September 29, 1935
- Final Game September 29, 1935
- Born March 17, 1912 in Brooklyn, NY USA
- Died March 18, 1975 in Mount Kisco, NY USA
While ten players from Lehigh broke into the majors between 1915-25, Ock was the only player from Lehigh in the majors during the period 1930-1960.
His one game was as a catcher. The regular catcher was Al Lopez.