Cognomen Justo Abelardo (Justo Abelardo 
) , in the world, is an extremely rare surname. The family name Justo Abelardo is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more prevalently, Justo Abelardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Justo Abelardo | Chile, Peru, Ecuador |