PEF
- PEF Private University of Management Vienna
- Palestine Exploration Fund
- Peak expiratory flow
- Pentecostal European Fellowship
- Perpetual Education Fund
- Perpetual Emigration Fund
- Pierre-François Martin-Laval
- Pinellas Education Foundation
- Polyethylene 2,5-furandicarboxylate
- Preferred Executable Format
- Primary energy
- Princeton Evangelical Fellowship
- Public Employees Federation
- Punjab Education Foundation
- Raw image format