Family name Почунай (Почунай 
) , worldwide, is an extremely rare cognomen. The cognomen Почунай is habitual in Central Asia, particularly Kyrgyzstan, where it is a very rare surname. More prevalently, Почунай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Почунай | Kyrgyzstan, Kazakhstan |