| Abbreviation | Definition |
|---|---|
| P | Priority |
| P | Provisional |
| P | Publication |
| P&A | Personnel and Administration |
| P&D | Production and Deployment |
| P&E | Personnel and Equipment |
| P&MT | Production and Manufacturing Technology |
| P&R | Personnel and Readiness |
| P&SM | Production and Systems Management |
| P,C,&H | Packing, Crating, and Handling |
| P.F. | Permanent Force |
| P/M/C | Passengers/mail/cargo |
| P/O | Part Of |
| P/P | Patch Panel P-P Peak-To-Peak |
| P3I | Pre-Planned Product Improvement |
| P3IP | Pre-Planned Product Improvement Plan |
| P90 | Project 1990 |
| PA | Pakistan Army |
| PA | Performance Accountability |
| PA | Personal Authority |