| Acronym | Definition |
|---|
| P&O➣Prosthetics and Orthotics |
| P&O➣Profit and Overhead |
| P&O➣Personnel and Organization (human resources & personnel) |
| P&O➣Peninsular & Oriental Steam Navigation Company (shipping company) |
| P&O➣Pickled and Oiled (steel) |
| P&O➣Pacific & Orient |
| P&O➣Parties and Observers (treaty review conference) |
| P&O➣Pyrolized and Oxidized |