| Acronym | Definition |
|---|
| PDAF | Phase Detection Auto Focus (digital photography) |
| PDAF | Priority Development Assistance Fund |
| PDAF | Probabilistic Data Association Filter |
| PDAF | Platelet-Derived Angiogenesis Factor |
| PDAF | Provincial Department of Agriculture and Forestry (Taiwan) |
| PDAF | Program Development Assistance Fund |
| PDAF | Professional Development Accreditation Framework (UK) |
| PDAF | Professional Development Assistance Fund |
| PDAF | Postdoctoral Aerospace Fellowship (program) |
| PDAF | Powys Domestic Abuse Forum (UK) |
| PDAF | Philippine Development Assistance Fund |
| PDAF | Physical Disabilities Action Forum |
| PDAF | Physicians' Donor Advised Fund |
| PDAF | Pembrokeshire Domestic Abuse Forum (UK) |
| PDAF | Periodic Distributed Approximating Functional (method for surface functions) |
| PDAF | Preliminary Departmental Application Form |
| PDAF | Proposal Development Assistance Fund |
| PDAF | Paid Date Accept Full |