Cognomen Castellon Garmendia (Castellon Garmendia 
) , around the world, is a very rare last name. The family name Castellon Garmendia is characteristic of Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare surname, and Nicaragua, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Castellon Garmendia | Dominican Republic, Nicaragua |