Harold Philip Partenheimer
- Bats Right, Throws Right
- Height 5' 8½", Weight 145 lb.
- School Amherst College
- Debut June 28, 1913
- Final Game June 28, 1913
- Born August 30, 1891 in Greenfield, MA USA
- Died June 16, 1971 in Mansfield, OH USA
Steve Partenheimer was at Amherst College from 1910 to 1913 and by late June 1913 he was in the majors. He played third base in one game for the Detroit Tigers in 1913. The regular third baseman for the team that year was George Moriarty.