Surname Jablonskij (Яблонский 
, Jablonskij 
) , throughout the world, is quite a rare cognomen. The surname Jablonskij is habitual in Belarus, where it is quite a rare surname, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Яблонский | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Jablonskij | Germany, Belarus |