| Abbreviation | Definition |
|---|---|
| DFS | Digital File Stamp |
| DFS | Direct File System |
| DFS | Distributed File System |
| DFS | Distributed Filing System |
| DFSMS | Data Facility Storage Management Subsystem |
| DFSORT | Data Facility Sort |
| DFT | Distributed Function Terminal |
| DFWMAC | Distributed Foundation Wireless Media Access Control |
| DFX | DESIGN FOR eXcellence |
| DGA | Direct Graphics Access |
| DGC | Data General Corporation |
| DGCB | Directorate General of Cereals and Beetroot |
| DGCE | Directorate General of Customs and Excise |
| DGCIS | Directorate General for Competitiveness Industry and Services |
| DGCIS | Directorate General of Commercial Intelligence and Statistics |
| DGDA | Directorate General of Drug Administration |
| DGEP | Directorate General Of Export Promotion |
| DGH | Degrees of general hardness |
| DGI | Digital Graphics Incorporation |
| DGIC | Digit General Insurance Company |