Family name Neffat (Neffat 
) , all around the world, is a rare last name. The cognomen Neffat is habitual in Slovenia, where it is quite a rare surname, Argentina, where it is a very rare surname, and Peru.
| VARIANT | COUNTRY |
|---|---|
| Neffat | Spain, Italy, Argentina, Slovenia, Peru |
|
anton neffat Slovene composer (b. 1893) |
|
| francesco neffat Italian politician, IT (b. 1908) |
|