Family name Troncoso Caballero (Troncoso Caballero 
) , across the world, is an extremely rare last name. The family name Troncoso Caballero is habitual in Chile, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Troncoso Caballero | Chile, Spain |
Manuel, and Luisa Estela