Family name Caballero Duarte (Caballero Duarte 
) , in all the world, is a rare surname. The family name Caballero Duarte is habitual in Latin America and the Caribbean, particularly Paraguay, where it is quite a rare surname, Uruguay, where it is a rare surname, and Bolivia.
| VARIANT | COUNTRY |
|---|---|
| Caballero Duarte | Paraguay, Spain, Bolivia, Uruguay, Colombia |