Cognomen Велькович (Велькович 
, Velkovich 
, Velkovitch 
) , worldwide, is quite a rare family name. The cognomen Велькович is characteristic of Southern Europe, particularly Serbia, where it is quite a common surname, Montenegro, where it is quite a rare surname, and Croatia. Not in comparison with a country's population, this name is the most popular in Southern Europe, particularly Serbia, Croatia, and Bosnia and Herzegovina.
| VARIANT | COUNTRY |
|---|---|
| Велькович | Russia, Ukraine |
| Velkovich | Russia, United States, Israel |
| Velkovitch | Canada |
| Veljković | Bosnia and Herzegovina, United States, Croatia, Serbia, Montenegro |