Family name ולריוס (Valerius 
, ולריוס 
) , around the globe, is quite a rare cognomen. The surname ולריוס is characteristic of Luxembourg, where it is quite a rare surname, Finland, and Germany. Not in comparison with a country's population, it most frequently occurs in Germany, the United States, and Brazil. Likewise, ולריוס is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Valerius | Brazil, United States, France, Indonesia, Germany |
| ולריוס | Israel |