Family name Dethomas (Dethomas 
) , all over the world, is a rare last name. The last name Dethomas is characteristic of Switzerland, where it is a rare surname, France, and the United States. Very seldom, Dethomas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dethomas | Australia, Mexico, Switzerland, United States, France |
|
maxime dethomas French painter (1867-1929), FR (b. 1867) |
|
| jean dethomas French politician, FR (b. 1842) |
|