All around the world, Bertaux (Bertaux 
, Берто 
) is a very rare unisex first name. The first name Bertaux is characteristic of Western Europe, particularly France, where it is a very rare epicene name. Predominantly, Bertaux is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bertaux | Germany, Belgium, United States, Canada, France |
| Берто | Russia, Ukraine |