Cognomen Nerco (Nerco 
) , worldwide, is a very rare surname. The surname Nerco is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, Argentina, where it is an extremely rare surname, and Brazil. More frequently, Nerco is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nerco | Brazil, Venezuela, Peru, Argentina, Philippines |