| Preventing Academic Failure | Academic & Science |
| Public Archaeology Facility | Academic & Science |
| Power Actuated Fasteners | Academic & Science |
| Peer Advising Fellows | Academic & Science |
| Payment Approval Form | Accounts and Finance |
| Pakuba | Airport Code |
| Portland Advertising Federation | Business |
| Pregnancy Assistance Fund | Business |
| Professional Activities Fund | Business |
| Political Action Fund | Business |
| Patent Applied For | Business |
| Pan African | Business |
| Pretentious Art F*** | Community |
| Printing Association of Florida | Community |
| Personal Ancestry File | Community |
| Pearl Academy of Fashion | Community |
| Packaging Automation Forum | Community |
| Performing Arts Forum | Community |
| Performing Arts Festival | Community |
| Postcode Address File | Computing |
| Permanent Air Flow | General |
| Purple Alien Frogs | General |
| Potentially Affected Fraction | General |
| Personal Ancestral Ftp | General |
| The Pass Along Fanfic | General |
| Point A Forward | General |
| Program Admission File | General |
| Personal Ancestral File | General |
| Population Attributable Fraction | General |
| Presidential Administrative Fellowship | General |
| Play among friends | General |
| Patient Accident and Fracture | General |
| Purpose Audience and Format | General |
| Paolo Antonello and Furio | General |
| PARIS Audio Format | General |
| Pilot Auction Facility | General |
| Powder Actuated Fasteners | General |
| Plant Availability Factor | General |
| Processing Acknowledgement Form | General |
| Principal Ambassador Fellowship | General |
| Preliminary Approval Form | General |
| Penning Automat Forening | General |
| Pure Autonomic Failure | General |
| Presentation Application and Feedback | General |
| Payment Authorization Form | General |
| Patience And Fortitude | General |
| Project Automation Framework | General |
| Personnel Action Forms | General |
| Proposal Approval Form | General |
| PostgreSQL Automatic Failover | General |
| Process Analytics Factory | General |
| PAF abbreviation Define | General |
| Problem Activity Form | General |
| Postal Address File | General |
| Patient Advocate Foundation | General |
| Patient Advocate Foundation's | General |
| Princess Alia Foundation | General |
| Powder Actuated Fastener | General |
| Portland Air Freight | Governmental |
| Project AIR FORCE | Governmental |
| Personnel Action Form | Governmental |
| Personal Ancestor File | Governmental |
| Paralegal Association Of Florida | Governmental |
| Pakistani Armed Forces | Governmental |
| Policía del Aire y las Fronteras | International |
| Polic? del Aire y las Fronteras | International |
| Paroxysmal Atrial Fibrillation | Medical |
| Performance Assessment Framework | Medical |
| Permanent Atrial Fibrillation | Medical |
| Phosphodiesterase-Activating Factor | Medical |
| Plain Abdominal Field | Medical |
| Platelet-Activating Factor | Medical |
| Progressive Autonomic Failure | Medical |
| Public Audit Forum (!!!) | Medical |
| Pulmonary Arteriovenous Fistula | Medical |
| Pretoria Arms Factory | Military and Defence |
| Personnel Authorization File | Military and Defence |
| Philippine Air Force | Military and Defence |
| Pakistan Air Force | Military and Defence |
| Pakuba, Uganda | Regional |
| Pacific Alaska Freightways | Regional |
| Payload Attach Fitting | Space Science |
| Peak Annual Funding | Space Science |
| Pacific Athletic Foundation | Sports |
| Pan Am Field | Sports |