Surname Trejo Contreras (Trejo Contreras 
) , around the world, is a very rare family name. The family name Trejo Contreras is characteristic of Ecuador, where it is a rare surname, Chile, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Trejo Contreras | Ecuador, Chile, United States |