Surname Гренова (Гренова 
, Grenova 
) , worldwide, is a rare cognomen. The cognomen Гренова is characteristic of Eastern Europe, particularly Slovakia, where it is quite a rare surname, Czechia, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Гренова | Kyrgyzstan, Russia, Ukraine |
| Grenova | United Kingdom, Czechia, United States, Argentina, Slovakia |