| Acronym | Definition |
|---|
| PDFA➣Partnership for A Drug-Free America |
| PDFA➣Paul Davis Fencing Academy (UK) |
| PDFA➣Praseodymium Doped Fiber Amplifier |
| PDFA➣Partnership for Drug-policy Facts and Alternatives |
| PDFA➣Performance-Driven Facial Animation |
| PDFA➣Pennsylvania Deer Farmers Association |
| PDFA➣Pensacola Dog Fanciers Association, Inc. (Milton, FL, USA) |