Cognomen Caballero Fontalvo (Caballero Fontalvo 
) , across the world, is an extremely rare last name. The last name Caballero Fontalvo is habitual in Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Caballero Fontalvo | Colombia, Chile |