| PIM | Personal Information Manager |
| PAM | Personal Application Manager |
| LIM | Load Information Manager |
| CIM | CompuServe Information Manager |
| MMIS | Materials Manager Information System |
| FLAIM | Flexible and Adaptable Information Manager |
| ISRM | Information System Resource Manager [engl.] |
| PFW | Personal Firewall |
| PC | Personal Computer |
| PS | Personal System [IBM] |
| PWS | Personal Web Server |
| PUK | Personal Unblocking Key |
| VPC | Very Personal Computer |
| PBD | Personal Board Decision |
| PCI | Personal Computer Instrumentation |
| PCA | Personal Client Architecture |
| PIS | Personal-Informations-System |
| PLB | Personal Locator Beacon |
| PAD | Personal Aroma Diffusor |
| PAN | Personal Account Number |
| PSP | Personal Software Process |
| PSE | Personal Security Environment |
| PSA | Personal-Service-Agentur |
| MPC | Multimedia Personal Computer |
| PPC | Personal Productivity Center |
| PBC | Personal Business Computer "Veraltete Bezeichnung für "PC"" |
| PNW | Personal NetWare [Novell] |
| NPC | Network Personal Computer |
| PHP | Personal Home Page |
| HPC | Handheld Personal Computer |
| PVR | Personal Video Recorder |
| WPC | Wearable Personal Computer |
| PDA | Personal Digital Assistance |
| PCN | Personal Communication Network |
| VPC | Virtual Personal Computer |
| IPDS | IBM Personal Dictation System |
| IPC | Inter Personal Computer |
| PIC | Personal Intelligent Communicator |
| IPC | Integrated Personal Computer |
| PCM | Personal Computer Manufacturer |
| PCS | Personal Communication Services / System |
| BZA | Bundesverband Zeitarbeit Personal-Dienstleistungen e.V. Bonn, http://www.bza.de |
| PACS | Personal Access Communication System |
| PDA | Personal Digital Assistant [Apple] |
| CPS | Certified Personal Secretary [engl.] Leistungsnachweis für persönliche Sekretäre |
| SPOT | Smart Personal Object Technology |
| BfPP | Bundesvereinigung fliegendes Personal der Polizei e.V. |
| PCSA | Personal Computer Systems Architecture [DEC] |
| CCP | Crossair Cockpit Personal [engl.] Piloten-Berufsvereinigung |
| PCWG | Personal Conferencing Work Group |