Harold Throckmorton
| Full name | Harold Avington Throckmorton |
|---|---|
| Country (sports) | United States |
| Born | April 12, 1897 Hackensack, New Jersey |
| Died | November 5, 1973 (aged 76) Great Barrington, Massachusetts |
| Plays | Right–handed (one-handed backhand) |
| Singles | |
| Grand Slam singles results | |
| US Open | QF (1917) |
| Doubles | |
| Grand Slam doubles results | |
| US Open | W (1917) |
Harold Avington Throckmorton (April 12, 1897 – November 5, 1973) was an American tennis player in the early 20th century.