Last name Viollat (Viollat 
) , throughout the world, is a very rare family name. The family name Viollat is characteristic of France, where it is a rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Viollat | Brazil, France |
| eugène viollat FR (b. 1830) |
|
|
| émile ernest viollat French alpine skier, FR (b. 1937) |
|