Cognomen Polenkova (Polenkova 
, Поленкова 
) , worldwide, is a rare last name. The last name Polenkova is characteristic of Eastern Europe, particularly Moldova, where it is quite a rare surname, Belarus, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Polenkova | Russia, Spain |
| Поленкова | Moldova, Kazakhstan, Belarus, Russia, Ukraine |