Family name Oserow (Озеров 
, Oserow 
) , in the entire world, is a common surname. The last name Oserow is habitual in Eastern Europe, particularly Russia, where it is quite a rare surname, Ukraine, and Belarus. Not in comparison with a country's population, it is the most numerous in Russia, Ukraine, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Озеров | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Oserow | Germany, Brazil, United States |