Cognomen Estkowska (Estkowska 
) , around the globe, is a very rare family name. The last name Estkowska is characteristic of Eastern Europe, particularly Poland, where it is a rare surname. More prevalently, Estkowska is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Estkowska | Poland |
| antonina estkowska (b. 1825) |
|