Family name Alerdo (Alerdo 
) , all around the world, is an extremely rare cognomen. The family name Alerdo is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname, and Mexico. Likewise, Alerdo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alerdo | Mexico, Brazil, Venezuela |