Surname Castillo Paucar (Castillo Paucar 
) , worldwide, is a very rare family name. The family name Castillo Paucar is habitual in Ecuador, where it is a rare surname, Spain, where it is a very rare surname, and Peru, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Castillo Paucar | Spain, Peru, Ecuador |
Julia, Jhosue, Lucy Yadira, and Jeiny Del Rosario