Family name Calderon Fonseca (Calderon Fonseca 
) , in the entire world, is a very rare cognomen. The surname Calderon Fonseca is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, Costa Rica, and Colombia.
| VARIANT | COUNTRY |
|---|---|
| Calderon Fonseca | Ecuador, Chile, Costa Rica, Colombia |
Luces, Jorge, Chamito, Laura Nataly, and Victor Julio