Last name Porokhonko (Porokhonko 
, Порохонько 
) , around the globe, is a rare surname. The surname Porokhonko is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, Ukraine, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Porokhonko | United States, Russia |
| Порохонько | Ukraine, Russia, Belarus |