| Acronym | Definition | 
|---|
| PICN➣Polyisocyanurate (rigid foam contruction material) | 
| PICN➣Polymer Infiltrated Ceramic Network (dentistry) | 
| PICN➣Provincial Infection Control Network (Canada) | 
| PICN➣Project Implementation Committee in the Netherlands (Asian Women's Fund Atonement Project; Japan Foreign Affairs Ministry) | 
| PICN➣Public Interest Convenience and Necessity (broadcasting) |