Last name Neuff-Troiis (Neuff-Troiis 
) , all around the world, is an extremely rare family name. The family name Neuff-Troiis is characteristic of Western Europe, particularly France, where it is an extremely rare surname. Parts of the name also exists independently as a last name Neuff, and a last name Troiis.
| VARIANT | COUNTRY |
|---|---|
| Neuff-Troiis | France |