Last name Peršak (Peršak 
, Першак 
) , all over the world, is a rare cognomen. The family name Peršak is habitual in Croatia, where it is quite a rare surname, Slovenia, and Belarus, where it is a rare surname. In absolute terms, this name is the most popular in Ukraine, Croatia, and Slovenia.
| VARIANT | COUNTRY |
|---|---|
| Peršak | Croatia, Slovenia |
| Першак | Belarus, Russia, Ukraine |
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tone peršak writer, politician, SI (b. 1947) |
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| ivan peršak SI (b. 1934) |
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| nina peršak SI (b. 1975) |
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| mateja peršak SI |
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| tadej peršak SI |
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| boštjan peršak SI |
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