Around the globe, Berthollet (Berthollet 
) is a rare male first name. The forename Berthollet is habitual in the Democratic Republic of the Congo, where it is a rare masculine name, and India, where it is an extremely rare unisex name. Also, Berthollet is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Berthollet | India, France, United States, Democratic Republic of the Congo, Germany |