| Acronym | Definition |
|---|
| PCOI➣Pedestrian Clear Out Interval (Oregon) |
| PCOI➣Primary Care Office InSite (medical information website) |
| PCOI➣Provincial Committee on Investment (Pakistan) |
| PCOI➣Potential Constituents of Interest (environment) |
| PCOI➣Parti Communiste Ouvrier Irakien (French: Iraqi Communist Workers Party) |