Surname Tarassiouk (Тарасюк 
, Tarassiouk 
) , all around the world, is a common family name. The cognomen Tarassiouk is characteristic of Eastern Europe, particularly Ukraine, where it is quite a common surname, Belarus, and Russia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Тарасюк | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Tarassiouk | United States, Mexico, France |