Surname Дерг (Derg 
, Дерг 
) , throughout the world, is a rare last name. The surname Дерг is habitual in Algeria, where it is a rare surname, Ukraine, where it is an extremely rare surname, and France. Measured by absolute frequency, it is the most numerous in Algeria, the United States, and France. Much less frequently, Дерг is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Derg | Russia, Algeria, Malaysia, United States, India |
| Дерг | Ukraine |