Surname Коварин (Коварин 
, Kovarin, Kovarine 
) , worldwide, is a rare family name. The cognomen Коварин is characteristic of Eastern Europe, particularly Hungary, where it is quite a rare surname, Russia, where it is a very rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Коварин | Russia, Ukraine |
| Kovarine | Hungary |