Last name Valbuena Vargas (Valbuena Vargas 
) , across the world, is a very rare cognomen. The last name Valbuena Vargas is habitual in Colombia, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Valbuena Vargas | Spain, Colombia |
Cesar, Andrés, Diego F, María Daniela, Blanca Lilia, and Wilmar Esteban