| PEPI | Package Enabled Process Improvement 
| Others |
| PEPI | Peg the Export Price Index
| Others |
| PEPI | Personalized Evolutionary Participatory Information
| Others |
| PEPI | Physical Education Pupil Instructor
| Others |
| PEPI | Physical Education Pupil Instructors
| Others |
| PEPI | Physics of the Earth and Planetary Interiors
| Others |
| PEPI | Portage Electric
| Others |
| PEPI | Postmenopausal Estrogen Progestin Intervention
| Others |
| PEPI | Postmenopausal Estrogen Progestin Interventions
| Others |
| PEPI | Pre Ejection Period In
| Others |
| PEPI | Private Equity Performance Index
| Others |
| PEPI | Process Engineering and Process Improvement
| Others |