Last name Kislyj (Kislyj 
, Кислый 
) , in all the world, is quite a rare surname. The surname Kislyj is habitual in Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan. Very seldom, Kislyj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kislyj | Poland |
| Кислый | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |