Surname Palomino Castillo (Palomino Castillo 
) , all around the world, is a very rare last name. The family name Palomino Castillo is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, Colombia, and Peru. In absolute terms, it most frequently occurs in Ecuador, Colombia, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Palomino Castillo | Spain, Chile, Colombia, Ecuador, Peru |