| Acronym | Definition |
|---|
| PFSA | Perfluorosulfonic Acid (chemistry) |
| PFSA | Port Facility Security Assessment |
| PFSA | Pagan Federation of South Africa |
| PFSA | Programs, Functions, Services and Activities |
| PFSA | Plastics Federation of South Africa |
| PFSA | Probabilistic Finite State Automata |
| PFSA | Public Facilities Set-Aside |
| PFSA | Public Financial Services Agency |
| PFSA | Philatelic Federation of South Africa |
| PFSA | Public Fleet Supervisors Association |
| PFSA | Post Fielding Support Analysis |
| PFSA | Parent Faculty Student Association |
| PFSA | Participatory Fisheries Stock Assessment |
| PFSA | Petroleum Fuels Storage Area |
| PFSA | Philippine Fulbright Scholars Association |
| PFSA | Pennsylvania Financial Services Association |
| PFSA | Pilot and Feasibility Study Award |
| PFSA | Participatory Farming Systems Analysis |
| PFSA | Putnam Family Support and Advocacy, Inc. (Carmel, NY) |
| PFSA | Previous Fuel Storage Area |
| PfSA | Partnerships for Success Academy |
| PFSA | Pathfinder Systems Australia |
| PFSA | Priority First Service Agreement |
| PFSA | Parent Faculty Staff Association |
| PFSA | Prepaid Food Services Accounts |
| PFSA | Protection from Stalking Act |
| PFSA | Parking Facility Standards Award (Canada) |
| PFSA | Parents and Friends of the School Association (UK) |
| PFSA | Plate-Fed Slot Antenna |
| PFSA | PowerForce Sub Assembly |
| PFSA | Parent and Family Support Advisor (UK) |
| PFSA | Polish Financial Supervision Authority (est. 2006) |
| PFSA | Panasonic Factory Solutions Company of America (Buffalo Grove, IL) |