| Abbreviation | Definition |
|---|---|
| PERSCOM | PERSonnel COMmand |
| PERSCOM | Personnel Command (Army) |
| PERSINS | Personnel Information System |
| PERSITREP | PERSonnel SITuation REPort |
| PERSLOG | Personnel and Logistics |
| PERSREP | Personnel Report |
| PERSSO | Personnel System Staff Officer |
| PERT | Performance Evaluation and Review Technique |
| PERT | Personal Effects Return Team |
| PERTO | Pertaining To .... |
| PERTSIM | Program Evaluation and Review Technique Simulation |
| PES | Potential Explosion Site |
| PES | Preparedness Evaluation System |
| PES | Professional Engineering Services |
| PESA | Passive Electronically Scanned Array |
| PET | Pilotline Experiment Technology |
| PET | Positron Emission Tomography |
| PETRO | Petroleum |
| PEWD | Platoon Early Warning Device |
| PEWS | Platoon Early Warning System |