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In the entire world, Ostafiychuk (Остафийчук
, Ostafiychuk
) is an extremely rare unknown gender first name. Much more frequently, Ostafiychuk is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Остафийчук | Kazakhstan, Russia, Belarus, Romania, Ukraine |
| Ostafiychuk | Spain, Italy, Bulgaria, United States, Ukraine |