Cognomen Riou-Nivert (Riou-Nivert 
) , throughout the world, is an extremely rare last name. The surname Riou-Nivert is habitual in Western Europe, particularly France, where it is an extremely rare surname. Parts of the name also exists independently as a last name Riou, and a last name Nivert.
| VARIANT | COUNTRY |
|---|---|
| Riou-Nivert | France |