Cognomen Théraulaz (Théraulaz 
) , across the world, is a very rare last name. The family name Théraulaz is habitual in Switzerland, where it is a rare surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Théraulaz | Switzerland, France, United States |
|
alphonse théraulaz Swiss politician (1840-1921), CH (b. 1840) |
|
|
yvette théraulaz Swiss actress, CH (b. 1947) |
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