| Abbreviation | Definition |
|---|---|
| DF | Dark Forces |
| DF | Defense Force |
| DF | Delta Force |
| DF | Density of Traffic |
| DF | Direction Finding |
| DF | Dispersion Factor |
| DF | Disposition Form |
| DF | DongFeng missile |
| DFA | Death From Above |
| DFA | Defence Families of Australia |
| DFA | Direct Force Attack |
| DFA | Dynamic Force Analysis |
| DFAC | Dining Facilities Administration Center |
| DFAD | Digital Feature Analysis Data |
| DFAE | Director of Facilities Engineering |
| DFAGS | Dannelly Field Air Guard Station |
| DFAMS | Defense Full Automated Management System |
| DFARS | Defense Federal Acquisition Regulation Supplement |
| DFAS | Defense Finance and Accounting Service |
| DFAS-DE | Defense Finance and Accounting Service-Denver |