Family name Delgado Trejo (Delgado Trejo 
) , globally, is a very rare last name. The last name Delgado Trejo is characteristic of Ecuador, where it is a rare surname, Spain, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Ecuador, Spain, and Mexico.
| VARIANT | COUNTRY |
|---|---|
| Delgado Trejo | Venezuela, Mexico, Spain, Ecuador |