Cognomen Grehova (Грехова 
, Grehova 
) , around the globe, is quite a rare family name. The last name Grehova is habitual in Latvia, where it is quite a rare surname, Russia, and Kazakhstan, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Грехова | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| Grehova | Czechia, Russia, Ukraine, Latvia |