 Direct Fluorescent Antibody | Medical |
| Data Flow Analysis | Common |
| Data Flow Analyst | Science |
| Department of Food and Agriculture | Science |
| Design for Assembly | Business |
| Deterministic Finite Automaton | Technology |
| Development Fund for Africa | Common |
| Discontinuous Flow Analysis | Science |
| Dual Fouling Apparatus | Science |
| Dynamic Financial Analysis | Business |
| Dart for Advertisers | Technology |
| Data Facilities Area | Common |
| Data Flight Analysis | Science |
| Data Flow Architecture | Common |
| Debye Function Analysis | Common |
| Deep Femoral Artery | Medical |
| Delayed Flap Approach | Technology |
| Delayed Flaps Approach | Technology |
| Density Functional Algorithm | Common |
| Department of Family Assistance | Medical |