Cognomen Martínez Núñez (Martínez Núñez 
) , throughout the world, is a very rare last name. The cognomen Martínez Núñez is characteristic of the Dominican Republic, where it is a rare surname, Spain, where it is a very rare surname, and Ecuador.
| VARIANT | COUNTRY |
|---|---|
| Martínez Núñez | Dominican Republic, Mexico, Ecuador, Spain |