John McDiarmid (tennis)
| Country (sports) | United States |
|---|---|
| Born | August 12, 1911 Beckley, West Virginia, U.S. |
| Died | November 4, 1982 (aged 71) |
| Singles | |
| Highest ranking | No. 7 (1936 U.S. ranking) |
| Grand Slam singles results | |
| US Open | QF (1936) |
| Doubles | |
| Grand Slam doubles results | |
| US Open | F (1936) |
John McDiarmid (August 12, 1911 – November 4, 1982) was a tennis player in the 1930s and 1940s. He was born in Beckley, West Virginia.