| Abbreviation | Definition |
|---|---|
| PSD | Play Sequence Descriptor |
| PSEUD | Pseudonym |
| PSH | Pocahontas Star Herald |
| PSH | Poetry Super Highway Award |
| PSI | Published Subject Identifier |
| PSIP | Program and System Information Protocol |
| PSM | Play Station Magazine |
| PSN | Pro Sound News magazine |
| PSOH | Pet Shop Of Horrors |
| PSOM | Primary Secretory Otitis Media |
| PSP | Portable Sony Playstation |
| PSP | Product Service Publication |
| PSPB | Penn State Public Broadcasting |
| PSQ | Political Science Quarterly |
| PSQ | Presidential Studies Quarterly |
| PSQ | Professional Section Quarterly |
| PSS | Packet Switch Stream |
| PSTV | Plattsburgh State Television |
| PSW | Persistent State World |
| PSW | Portal Stone World |