FPSL
| Acronym | Definition |
|---|---|
| FPSL | Fédération des Producteurs Suisse de Lait (French: Federation of Swiss Milk Producers) |
| FPSL | Fission Product Screening Loop |
| FPSL | Friends for Peace in Sri Lanka (Australia) |
| FPSL | Fazakerley Prison Services, Ltd. (UK) |
| FPSL | Federal Perkins Student Loan |
| FPSL | Farnesylpyrophosphate Synthetase |