Last name Alvardo (Alvardo 
) , worldwide, is quite a rare family name. The cognomen Alvardo is habitual in Latin America and the Caribbean, particularly El Salvador, where it is quite a rare surname, Guatemala, and Puerto Rico. Measured by absolute frequency, it is the most numerous in the United States, Guatemala, and Mexico. Much less frequently, Alvardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alvardo | Mexico, Colombia, United States, Guatemala, El Salvador |