Harry Harper
- Given Name
- Harry Clayton
- Nickname(s)
- Hackensack Harry
- Born
- 4/24/1895 — Hackensack, NJ, USA
- Died
- 4/23/1963 — New York, NY, USA
- Weight
- 165 lbs
- Height
- 6' 2"
- Throws
- L
- Bats
- L
- Team(s)
- Washington Senators (1913–1919)Boston Red Sox (1920)New York Yankees (1921)Brooklyn Robins (1923)
- Debut
- 1913-06-27
- Final Game
- 1923-05-08
20-Loss Season
1919 · Washington SenatorsW6L21ERA3.72WHIP1.524