Family name Gallardo Vallejo (Gallardo Vallejo 
) , around the world, is a very rare cognomen. The family name Gallardo Vallejo is characteristic of Ecuador, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gallardo Vallejo | Ecuador, Spain |
Antonio, Gerardo, Eddy Alfredo, Carlos Ramiro, and Hilda Graciela