Last name Gallardos (Gallardos 
) , all around the world, is a very rare family name. The cognomen Gallardos is habitual in Spain, where it is a very rare surname, Costa Rica, and Argentina. Measured by absolute frequency, this name is the most popular in Spain, Argentina, and Mexico. Very seldom, Gallardos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gallardos | Spain, Australia, Mexico, Argentina, Venezuela |