Cognomen Компаниець (Компаниець 
) , all over the world, is an extremely rare surname. The surname Компаниець is habitual in Eastern Europe, particularly Ukraine, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Компаниець | Ukraine |
Kompaniec, Kompanietc, Kompaniets, and Kompaniyets