Family name Porohov (Porohov 
, Порохов 
) , around the world, is quite a rare cognomen. The cognomen Porohov is characteristic of Kazakhstan, where it is a rare surname, Russia, and Estonia. In absolute terms, it most frequently occurs in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Porohov | Russia, Estonia |
| Порохов | Kazakhstan, Russia, Ukraine, Belarus |