Cognomen Kotiash (Kotiash 
, Котяш 
) , around the world, is quite a rare family name. The cognomen Kotiash is habitual in Ukraine, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kotiash | Ukraine, United States |
| Котяш | Kazakhstan, Ukraine, Russia |
| iryna kotiash Ukrainian association football player, UA |
|