Cognomen Матсюк (Матсюк 
, Matsjuk 
, Matsiuk 
) , all over the world, is a rare last name. The last name Матсюк is characteristic of Estonia, where it is a rare surname, Belarus, and Bulgaria. In absolute terms, it is the most numerous in Russia, Poland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Матсюк | Russia, Belarus |
| Matsjuk | Estonia |
| Matsiuk | Russia, Belarus, United States, Poland, Ukraine |
| Matsyuk | Russia, Belarus, Bulgaria, United States, Ukraine |