PDFA
| 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) |