Family name Grabskaia (Грабская 
, Grabskaia 
) , around the globe, is a rare cognomen. The family name Grabskaia is habitual in Belarus, where it is a rare surname, Georgia, and Russia. Much less frequently, Grabskaia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Грабская | Kazakhstan, Armenia, Russia, Belarus |
| Grabskaia | Georgia |