Family name Castillo Solarte (Castillo Solarte 
) , across the world, is a very rare last name. The family name Castillo Solarte is habitual in Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, and Ecuador.
| VARIANT | COUNTRY |
|---|---|
| Castillo Solarte | Colombia, Ecuador |
Julian, Gustavo, and Karla Johana