Cognomen Vignau-Loustau (Vignau-Loustau 
) , around the globe, is an extremely rare last name. The surname Vignau-Loustau is habitual in Western Europe, particularly France, where it is a very rare surname. Parts of the name also exists independently as a last name Vignau, and a last name Loustau.
| VARIANT | COUNTRY |
|---|---|
| Vignau-Loustau | France |