Cognomen Белявски (Белявски 
, Beliavski 
, Belyavsky 
) , all around the world, is a rare surname. The last name Белявски is characteristic of Lithuania, where it is a rare surname, Belarus, and Israel. Measured by absolute frequency, it is commonest in the United States, Germany, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Белявски | Russia |
| Beliavski | Lithuania, Canada, Germany, Israel, United States |
| Belyavsky | Russia, Canada, Israel, United States, Belarus |
| Beliavsky | Brazil, Israel, United States, Canada |
Beljavski, Belyavski, and Belyavskiy