Worldwide, Бартельс (Bartels 
, Bertels 
, Barthels 
) is a rare largely boy's, but infrequently feminine first name. The forename Бартельс is characteristic of Germany, where it is a very rare masculine name, Nigeria, where it is a very rare unisex name, and China, where it is an extremely rare boy's name. Predominantly, Бартельс is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bartels | Belgium, Netherlands, Germany, United States, Ghana |
| Bertels | Belgium, Australia, Netherlands, Germany, United States |
| Barthels | Belgium, Netherlands, Germany, United States, Brazil |
| Бартельс | Kazakhstan, Russia, Ukraine |