Cognomen Paulio (Paulio 
) , in the entire world, is a rare surname. The surname Paulio is characteristic of Finland, where it is a rare surname, Philippines, and Nicaragua, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Philippines, Finland, and Mexico. Much less frequently, Paulio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Paulio | Mexico, Brazil, Philippines, United Kingdom, Finland |