| PEF | Pacifica Education Foundation 
| Others |
| PEF | Page Eighty-Four
| Others |
| PEF | Pan European Federation
| Others |
| PEF | Parkade Exaust Fan
| Others |
| PEF | Pasadena Educational
| Others |
| PEF | Pasadena Educational Foundation
| Others |
| PEF | Password Encrypted Format
| Others |
| PEF | Patient Encounter Form
| Others |
| PEF | Peace and Education Foundation
| Others |
| PEF | Peak Expiratory F
| Others |
| PEF | Peak Expiratory Flow
| Others |
| PEF | Peninsula Education Foundation
| Others |
| PEF | Penobscot Experimental Forest
| Others |
| PEF | Pentax Electronic File
| Others |
| PEF | Pentax Electronic format
| Others |
| PEF | Pentecostal European Fellowship
| Others |
| PEF | Permanent Endowment Fund
| Others |
| PEF | Perpetual Education Fund
| Others |
| PEF | Personal Experience Factor
| Others |
| PEF | Pervy Elf Fancier
| Others |
| PEF | Petaluma Educational Foundation
| Others |
| PEF | Petroleum Equivalent Fuel
| Others |
| PEF | Physical Education Fitness
| Others |
| PEF | Piedmont Education Foundation
| Others |
| PEF | Plain English Firewall
| Others |
| PEF | Platform Event Filtering
| Others |
| PEF | Policy Enforcement Firewall
| Others |
| PEF | Political Education Fund
| Others |
| PEF | Polk Education Foundation
| Others |
| PEF | Pollutant Emission Factors
| Others |
| PEF | Pooled Emergency Fund
| Others |
| PEF | Portable Embosser Format
| Others |
| PEF | Portland Education Foundation
| Others |
| PEF | Possible Enemy Force
| Others |
| PEF | Post Exam Fever
| Others |
| PEF | Prediction Error Filter
| Others |
| PEF | Prediction Error Frame
| Others |
| PEF | Preferred Executable File
| Others |
| PEF | Preferred Executable Format
| Others |
| PEF | Presbyterian Evangelistic Fellowship
| Others |
| PEF | Pressure Elevation Factor
| Others |
| PEF | Prevention Effectiveness Fellowship
| Others |
| PEF | Princeton Evangelical Fellowship
| Others |
| PEF | Private Enterprise Foundation
| Others |
| PEF | Problem Einer Frauensleut
| Others |
| PEF | Process Engineered Fuel
| Others |
| PEF | Product Environmental Footprint
| Others |
| PEF | Progressive Economics Forum
| Others |
| PEF | Projects Events and Festivals
| Others |
| PEF | Protein Expression Facility
| Others |
| PEF | Protocol Engineering Framework
| Others |
| PEF | Public Education Foundation
| Others |
| PEF | Public Employee Federation
| Others |
| PEF | Public Employees Federation
| Others |
| PEF | Public Enterprise Fund
| Others |
| PEF | Pulse Electric Field
| Others |
| PEF | Pulsed electric field
| Others |
| PEF | Pulsed Electric Fields
| Others |