Family name Altamirano Fonseca (Altamirano Fonseca 
) , globally, is a very rare cognomen. The family name Altamirano Fonseca is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, and Chile, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Altamirano Fonseca | Chile, Ecuador |