Cognomen Tetyushkin (Tetyushkin 
, Тетюшкин 
) , in all the world, is a rare surname. The surname Tetyushkin is habitual in Russia, where it is a rare surname, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tetyushkin | Russia |
| Тетюшкин | Kazakhstan, Russia |