Cognomen Nieto Fonseca (Nieto Fonseca 
) , all over the world, is a very rare family name. The last name Nieto Fonseca is habitual in Colombia, where it is a very rare surname, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Nieto Fonseca | Spain, Colombia |
Lay, Andres, Aura Cecilia, and Pedro Wilmer