| Abbreviation | Definition |
|---|---|
| DBCS | Desautels Business Conference on Sustainability |
| DCAC | Data Center Austin Conference |
| DCAF | Denver Comic Art Festival |
| DCC | Data Compression Conference |
| DCC | Digital Communications Conference |
| DCFF | Door County Folk Festival |
| DCLC | District Convention Leadership Conference |
| DCLC | District Convention/Leadership Conference |
| DCMI | Diversified Conference Management Inc |
| DCON | Semiconductor and Electronic Design Conference |
| DCRC | Digital Cellular Radio Conference |
| DCS | International Conference on Distributed Computing Systems |
| DCTC | Design and Construction Technology Conference |
| DDD | Developers, Developers, Developers |
| DDDB | Drupal Developer Days Brussels |
| DDF | Dominion Drama Festival |
| DDMC | Direct Digital Manufacturing Conference |
| DDPC | Data Driven Production Conference |
| DDR | Design, Development, and Research Conference |
| DEIV | International Symposium on Discharges and Electrical Insulation in Vacuum |