Family name Neilh (Neilh 
) , in all the world, is an extremely rare cognomen. The family name Neilh is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Much more prevalently, Neilh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Neilh | Democratic Republic of the Congo, Venezuela, Philippines |