Cognomen Trejo Vega (Trejo Vega 
) , around the world, is a very rare last name. The family name Trejo Vega is characteristic of Ecuador, where it is a very rare surname, Chile, and Spain, where it is an extremely rare surname. In absolute terms, it is the most numerous in Latin America and the Caribbean, particularly Ecuador, Mexico, and Chile.
| VARIANT | COUNTRY |
|---|---|
| Trejo Vega | Mexico, Ecuador, United States, Chile, Spain |