| Abbreviation | Definition |
|---|---|
| DSLC | Diverse Students Leadership Conference |
| DSLC | Diverse Students' Leadership Conference |
| DSPWS | IEEE Digital Signal Processing WorkShop |
| DTAC | District Toastmasters Annual Conference |
| DTE | Digital Technology Expo |
| DTEC | Down to Earth Conference |
| DTGC | Design Thinking Ghana Conference |
| DTTC | Design And Test Technology Conference |
| DUC | Digidesign Users Conference |
| DUC | Document Understanding Conferences |
| DUN | Dial-Up Networking |
| DUNCHE | Declaration of the United Nations Conference on the Human Environment |
| DVAD | Dearne Valley Archaeology Day |
| DVC | Digital Video Conference |
| DWCC | Digital Wine Communications Conference |
| DYC | Diocesan Youth Conference |
| DYSPAN | International Symposium on Dynamic Spectrum Access Networks |
| EAAC | East Asian Actuarial Conference |
| EAGC | European Autumn Gas Conference |
| EAIT | Emerging Applications of Information Technology |