Surname Castillo P (Castillo P 
) , around the globe, is a very rare family name. The surname Castillo P is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Peru, where it is an extremely rare surname, and Chile. In absolute terms, the name is most common in Latin America and the Caribbean, particularly Colombia, Mexico, and Peru.
| VARIANT | COUNTRY |
|---|---|
| Castillo P | Mexico, Peru, Colombia, Chile |