Cognomen Castillo Pantoja (Castillo Pantoja 
) , all over the world, is a very rare family name. The cognomen Castillo Pantoja is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Castillo Pantoja | Ecuador |
Luu, Emiliano, Isabella, Karen Sophia, Victor Hernan, and Washington Edmundo