Surname Tendetnik (Tendetnik 
, Тендетник 
) , around the world, is a very rare family name. The family name Tendetnik is habitual in Kazakhstan, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Tendetnik | United States |
| Тендетник | Kazakhstan, Russia, Ukraine |