Toupie Lowther
| Full name | May Lowther |
|---|---|
| Country (sports) | United Kingdom |
| Born | 15 April 1874 London, England |
| Died | 30 December 1944 (age 69) Pulborough, England |
| Turned pro | 1891 (amateur tour) |
| Retired | 1907 |
| Singles | |
| Career titles | 12 |
| Grand Slam singles results | |
| Wimbledon | SF (1903, 1906) |
May "Toupie" Lowther (also Toupée; 15 April 1874 – 30 December 1944) was an English tennis player and fencer, active during the late 19th century and early 20th century. During the First World War, she led an all-female English unit of ambulance drivers assisting the French Army and was awarded the Croix de Guerre.