Family name Buniak (Buniak 
, Буняк 
) , worldwide, is quite a rare last name. The cognomen Buniak is habitual in Ukraine, where it is quite a rare surname, Azerbaijan, and Belarus, where it is a rare surname. In absolute terms, this name is the most popular in Eastern Europe, particularly Ukraine, Russia, and Poland. Much less frequently, Buniak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buniak | United States, Poland, Argentina, France, Brazil |
| Буняк | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
| joanna nikitorowicz buniak researcher, ORCID id # 0000-0002-7510-3843 |
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| oleksandr buniak |
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| bartosz buniak PL (b. 1985) |
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