Cognomen Деянович (Деянович 
, Deyanovich 
) , globally, is a very rare family name. The surname Деянович is habitual in Eastern Europe, particularly Bulgaria, where it is a rare surname, Ukraine, where it is an extremely rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Деянович | Russia, Ukraine |
| Deyanovich | Bulgaria |