Surname Osmolowski (Осмоловский 
, Osmolowski 
) , around the globe, is quite a rare cognomen. The surname Osmolowski is habitual in Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Israel. Measured by absolute frequency, the name is most common in Russia, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Осмоловский | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Osmolowski | Australia, United States, Israel |