DGC
- DARPA Grand Challenge
- DGC Records
- Darlton Gliding Club
- Daybreak Game Company
- Delhi Golf Club
- Denham Golf Club railway station
- Deutsche Gesellschaft für Chronometrie
- Di Gi Charat
- Digital gold currency
- Directors Guild of Canada
- Disc golf
- Discontinuous gas exchange
- Distributed garbage collection
- Dubious Goals Committee
- Dublin Gospel Choir
- Durban Girls' College
- Dystrophin-glycoprotein complex
- Sarcolemma