Bertha Townsend
| Full name | Bertha Louise Townsend Toulmin |
|---|---|
| Country (sports) | USA |
| Born | March 7, 1869 Philadelphia, Pennsylvania |
| Died | May 12, 1909 (aged 40) |
| Plays | Left-handed |
| Int. Tennis HoF | 1974 (member page) |
| Singles | |
| Grand Slam singles results | |
| US Open | W (1888, 1889) |
| Doubles | |
| Grand Slam doubles results | |
| US Open | W (1889) |
| Grand Slam mixed doubles results | |
| US Open | F (1889, 1890) not official |
Bertha Louise Townsend Toulmin (née Townsend; March 7, 1869 – May 12, 1909) was a female tennis player from the United States. She is best remembered for being the first repeating women's singles champion at the U.S. Championships (now U.S. Open) in 1888 and 1889. She developed the underhand technique.
She was inducted into the International Tennis Hall of Fame in 1974.