Last name Ñauñay Ilbay (Ñauñay Ilbay 
) , in all the world, is a very rare family name. The surname Ñauñay Ilbay is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ñauñay Ilbay | Ecuador |