Surname Teslja (Тесля 
, Teslja 
) , throughout the world, is quite a common last name. The surname Teslja is characteristic of Ukraine, where it is quite a common surname, Russia, where it is quite a rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Тесля | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Teslja | Germany, United States |