Last name Thumy (Thumy 
) , around the world, is a very rare surname. The cognomen Thumy is habitual in France, where it is a rare surname, and India, where it is an extremely rare surname. Much less frequently, Thumy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thumy | India, United States, France |
| william thumy French politician, FR (b. 1976) |
|