| Abbreviation | Definition |
|---|---|
| PQN | Print Quantity Needed |
| PR | Press Release |
| PR | Press Release |
| PRC | Participatory Radio Campaign |
| PRCN | Public Radio Capitol News |
| PRCPP | PEW Research Centre for People and Press |
| PRDN | Powell River Daily News |
| PRL | Physical Review Letters |
| PRMM | Polycom RealPresence Media Manager |
| PRN | Press Release Network |
| PRNDI | Public Radio News Directors Incorporated (conference) |
| PRO | Public Relations Officer |
| PROM | Peer Review in Open Media |
| PSN | Plastic Surgery News |
| PSN | Pro Sound News |
| PSNE | Pennsylvania Society of News Editors |
| PSNE | Pro Sound News Europe |
| PSNL | Portuguese Soccer News Links |
| PSRD | Press Scrutiny and Registration Division |
| PTNC | Physics Teaching News and Comment |