Cognomen Castillo Ontaneda (Castillo Ontaneda 
) , around the globe, is a very rare family name. The surname Castillo Ontaneda is habitual in Ecuador, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Castillo Ontaneda | Ecuador, Spain |
Jose Luis, Bellermina Isabel, Elias David, Wilson Enrique, Asdrubal Leonardo, Carlos Vinicio, and Nestor Alberto