Look up Derg in Wiktionary, the free dictionary.
The Derg was a military junta that ruled Ethiopia from 1974 to 1987.
Derg may also refer to:
- Derg, Iran
- Bodb Derg, a legendary figure in Irish mythology
- Cróeb Derg, or Red Branch, the name of two royal houses of Ulster
- Lough Derg (disambiguation)
- River Derg, Ireland