English abbreviations from peo to per
- PEO (Philanthropic Educational Organization)
- PEP (PEP Log)
- PEPA (People, Equipment, POL, and Ammunition)
- PEPE ((instrumentation) Plasma Experiment for Planetary Exploration, an instrument on Deep Space 1)
- PEPFAR (President's Emergency Plan For AIDS Relief)
- PEPG (Program on Education Policy and Governance)
- PEPI (Personalized Evolutionary Participatory Information)
- PEPT (Philippine Educational Placement Test)
- PEQ (Pecos Municipal Airport)
- PER (Peru (ISO 3166 trigram))