Cognomen Alberto Justo (Alberto Justo 
) , throughout the world, is a very rare last name. The family name Alberto Justo is characteristic of Spain, where it is a very rare surname, and Chile, where it is an extremely rare surname. More frequently, Alberto Justo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alberto Justo | Argentina, Spain, Ecuador, Chile, Peru |