| Abbreviation | Definition |
|---|---|
| DDLA | Design Landscape Architecture |
| DDLA | Dirk De Leeuw Architects |
| DEA | Design and Environmental Analysis |
| DEPA | Data Empowerment and Protection Architecture |
| DEPA | Distributed Enhanced Processing Architecture |
| DEPA | Distributed Enhanced Procssing Architecture |
| DF | Deluxe Floor |
| DF | Design For .... |
| DFLA | Dermot Foley Landscape Architects |
| DFT | Dry Film Thickness |
| DFX | Design For eXcellence |
| DGA | Diehl Group Architects |
| DH | Dog House |
| DHLA | Douglas Hoerr Landscape Architecture |
| DIA | Design Innovation Architects |
| DIAA | Distributed Internet Applications Architecture |
| DICE | Digitally-Interfaced Creative Environment |
| DIDB | Domestic Interiors DataBase |
| DIEA | DoD Information Enterprise Architecture |
| DIM | Design Information Measure |