Surname Olshanskii (Ольшанский 
, Olshanskii , Олшанский ) , in the entire world, is quite a rare family name. The cognomen Olshanskii is habitual in Russia, where it is quite a rare surname, Belarus, and Kyrgyzstan, where it is a rare surname. Not in comparison with a country's population, it is commonest in Russia, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Ольшанский | Kazakhstan, Belarus, Poland, Kyrgyzstan, Russia |
| Olshanskii | Kazakhstan, Russia |
| Олшанский | Kyrgyzstan, Russia |
Олшанський, Ольшанскій, Ольшанський, Ольшанській, and Ольшаньский
| maxim a. olshanskii Lomonosov Moscow State University 1996 |
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