Cognomen Tanovitskii (Tanovitskii 
, Тановицкий 
) , worldwide, is a very rare family name. The cognomen Tanovitskii is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tanovitskii | Russia |
| Тановицкий | Belarus, Russia |
Тановитский, and Тановицький