Family name Dereg (Dereg 
) , in all the world, is a rare surname. The family name Dereg is habitual in Serbia, where it is a rare surname, Ethiopia, and Israel, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Ethiopia, Serbia, and the United States. Also, Dereg is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dereg | Ethiopia, Serbia, India, United States, Poland |