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 | Kyrgyzstan, Kazakhstan, Belarus, Ukraine, Russia |
| Grehova | Ukraine, Russia, Czechia, Latvia |