Worldwide, Alberto Sergio (Alberto Sergio 
) is a very rare boy's given name. The forename Alberto Sergio is characteristic of Chile, where it is a rare boy's name, Portugal, and Peru, where it is a very rare boy's name. Very seldom, Alberto Sergio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Alberto Sergio | Portugal, Spain, Chile, Ecuador, Peru |
Liñan, Esposito, Aragon Diaz, and Tavares Ribeiro