| Abbreviation | Definition |
|---|---|
| OWL | Observe Wait Listen |
| OWM | O'Donnell, Weiss, & Mattei, P. C. |
| OWO | Only Way Out |
| P | Paddy |
| P | Pitiful |
| P | Poaching |
| P | Police |
| P | Polizei |
| P | Preventing |
| P | Prison |
| P | Privilege |
| P | Psycho |
| P&P | Probation and Parole |
| p.p. | by and for (per/pro [Lat.]) |
| P4W | Prison For Women |
| PA | Personnel Administration |
| PA | Power of Attorney |
| PA | Prevention Advocate |
| PA | Private Action |
| PA | Public Act |