Surname Ковальски (Kovalski 
, Ковальски 
) , worldwide, is quite a rare cognomen. The last name Ковальски is habitual in Brazil, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Argentina. In absolute terms, this name is the most popular in Brazil, the United States, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Kovalski | Poland, Brazil, United States, Argentina, France |
| Ковальски | Kyrgyzstan, Kazakhstan, Ukraine, Russia |