Cognomen Koukharskaia (Кухарская 
, Koukharskaia 
) , globally, is a rare last name. The surname Koukharskaia is habitual in Belarus, where it is a rare surname, Kazakhstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Кухарская | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Koukharskaia | United States |