| Acronym | Definition |
|---|
| PCSN➣Papillary Cystic and Solid Neoplasm (oncology) |
| PCSN➣Private Circuit-Switching Network |
| PCSN➣Prairie Climate Stewardship Network |
| PCSN➣Peace Counts Support Network |
| PCSN➣Seaman, Postal Clerk Striker (Naval Rating) |
| PCSN➣Primary Care Support Network (HIV support services; Milwaukee, WI) |