| Acronym | Definition |
|---|
| PCGS➣Professional Coin Grading Service |
| PCGS➣Placer County Genealogical Society (California) |
| PCGS➣Parallel Communicating Grammar System (communication) |
| PCGS➣Primary Care Genetics Society (London, UK) |
| PCGS➣Philadelphia Classical Guitar Society (Philadelphia, PA) |
| PCGS➣Pottawattamie County Genealogical Society (Council Bluffs, IA; est. 1992) |
| PCGS➣Professional Coin Grading Society |