Cognomen Ruhtin (Ruhtin 
, Рухтин 
) , globally, is a rare family name. The cognomen Ruhtin is characteristic of Russia, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruhtin | Russia |
| Рухтин | Kazakhstan, Russia, Ukraine |