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Cognomen Mykolaj (Миколай
, Mykolaj
) , around the world, is a very rare surname. The family name Mykolaj is habitual in Armenia, where it is a rare surname, Belarus, where it is a very rare surname, and Russia, where it is an extremely rare surname. Much more frequently, Mykolaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Миколай | Russia, Lithuania, Belarus, Armenia, Ukraine |
| Mykolaj | Brazil, United States |
Suchy, Bilozor, Petruniw, Wysznewskij, and Nakonecznyj