| Abbreviation | Definition |
|---|---|
| POET | Production Orders Electronic Transmission |
| POF | Phase Only Filter |
| POF | Polymer Optical Fiber |
| POG | Polyphonic Octave Generator |
| POLAR | Performance Oriented Loop Audio Recording |
| POMKBHHPBBHPPPPK | Puking On My Ka Bea Ha Ha Pm Ba Bay Ha Pm Pa Pea Pm Kataha |
| PON | Passive Optical Networking |
| POR | Process Of Record |
| PORO | Power Outage Restart Option |
| PORT | Portable |
| PORTAPAC | Portable Self-contained Instrument PACkage |
| POST | Power On Self Test |
| POST | Power On System Test |
| POT | Peaks Over Threshold |
| POU | Point Of Use |
| POU | Purpose Of Use |
| PP | Peak-to-Peak |
| PP | Positive Pulse |
| PP | Propagation Prediction |
| P-P | Peak-to-Peak |