Family name Villalba Castillo (Villalba Castillo 
) , across the world, is a very rare surname. The cognomen Villalba Castillo is habitual in Ecuador, where it is a rare surname, Spain, where it is a very rare surname, and Colombia.
| VARIANT | COUNTRY |
|---|---|
| Villalba Castillo | Ecuador, Venezuela, Spain, Colombia |
Dayla, Silvio, Gloria, Noelia, Alberto, Marlen Andrea, Luis Alberto, and Jenny Marcela