| DF | Decontamination Factor | - | Computer Acronyms(common) |
| DF | Density Functional Formalism | - | Computer Acronyms(common) |
| DF | Dude Factor - Survival Scoring Factor Based On Social Worth. A High Dude Factor = An Individual Of Questionable Social Worth Who Survives Near-fatal Injuries. A Low Dude Factor = Professional Person Who Slips In The Bathroom Sustaining A Fatal Injury | - | NASA |
| DF | Development Flight | - | Organizations |
| DF | Development-Forward | - | Organizations |
| DF | Direction Finder (Finding) | - | Organizations |
| DF | Disassembly Facility | - | Organizations |
| DF | Display Functions | - | Organizations |
| DF | Dear Friend | - | ISO Country Codes |
| DF | Direct Fire - Direction Finding | - | Astronomy |
| DF | Direction Finding | - | Business and Finance |
