Surname Грущецкий (Грущецкий 
) , in the world, is an extremely rare cognomen. The surname Грущецкий is habitual in Kyrgyzstan, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Грущецкий | Kyrgyzstan, Russia |
Gruschetsky, Grushetsky, and Hrushetsky