Cognomen Sidlovski (Sidlovski 
) , across the world, is a very rare surname. The cognomen Sidlovski is characteristic of Lithuania, where it is a rare surname, France, where it is a very rare surname, and Argentina, where it is an extremely rare surname. In absolute terms, the name is most common in France, Lithuania, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Sidlovski | Brazil, Argentina, United States, Lithuania, France |