Cognomen Clavaux (Clavaux 
) , worldwide, is a rare family name. The cognomen Clavaux is habitual in Netherlands, where it is a rare surname, Czechia, and South Africa, where it is a very rare surname. Much less frequently, Clavaux is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Clavaux | Germany, France, Netherlands, South Africa, Czechia |