| Acronym | Definition |
|---|
| PFAS➣Per- and Polyfluoroalkyl Substances (chemicals) |
| PFAS➣Personal Fall Arrest System |
| PFAS➣Partial Fetal Alcohol Syndrome |
| PFAS➣Perfluoroalkyl Sulfonate |
| PFAS➣Partnership Firm Assessed as Such (finance) |
| PFAS➣Perfluorinated Alkylated Substances |
| PFAS➣Potential False Alarm Source |
| PFAS➣Penalty Fares Appeal Support (London tube penalty appeal; UK) |
| PFAS➣Perry Freshwater Appreciation Society |