Terry Walter Harmon
- Bats Right, Throws Right
- Height 6' 2", Weight 180 lb.
- School Ohio University
- High School DeVilbiss High School
- Debut July 23, 1967
- Final Game October 2, 1977
- Born April 12, 1944 in Toledo, OH USA
Terry Harmon was a utility infielder for the Philadelphia Phillies in the 1970s. He never played more than 87 games in any big league season although he was a valuable member of those Phillies teams. He played in the 1976 NLCS.