Surname Porhun (Порхун 
, Porhun 
) , globally, is quite a rare family name. The family name Porhun is characteristic of Ukraine, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Порхун | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Porhun | Estonia, Germany, United States, Ukraine |