Cognomen Gumnitskiy (Gumnitskiy, Гумницкий 
) , throughout the world, is a very rare family name. The last name Gumnitskiy is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Гумницкий | Russia |
Гумнитский, and Гумницький