| Acronym | Definition |
|---|
| RCN➣Royal College of Nursing (UK) |
| RCN➣Record Control Number |
| RCN➣Royal Canadian Navy |
| RCN➣Research Council of Norway |
| RCN➣Reconnaissance |
| RCN➣Rectilinear Crossing Number |
| RCN➣Report Control Number |
| RCN➣Radio Cadena Nacional (Colombia) |
| RCN➣Replacement Cost New (appraisal) |
| RCN➣Residential Communications Network |
| RCN➣Reproduction Cost New (appraisal) |
| RCN➣Radio Caraïb Nancy (French radio station; est. 1988) |
| RCN➣Report Control Number (Deficiency Reporting Investigation System) |
| RCN➣Reverse Convertible Note |
| RCN➣Reinan Cable Network (Japan) |
| RCN➣Redress Control Number (US DHS) |
| RCN➣Radio Corporación Nacional (Guatemala) |
| RCN➣Radio Colorado Network |
| RCN➣Requirements Change Notice |
| RCN➣Racing Club Nantais (French athletic club) |
| RCN➣Remote Computer Network |
| RCN➣Railwayana Collectors' Network |
| RCN➣Radio Chalom Nitsan (French radio station) |
| RCN➣Radio-Club National (France) |
| RCN➣Regional Cable Network |
| RCN➣Rotary Club of Nairobi |
| RCN➣Revolutionary Communist Network (UK) |
| RCN➣Resonator Coupling Network (microwave theory) |
| RCN➣Radio Consultant Network |
| RCN➣Registered Comprehensive Nurse |
| RCN➣Réseau de Conseils Normands (French: Normandy Network Consulting) |
| RCN➣Risk Communications Network (Pueblo, CO) |
| RCN➣Rugby Club Noisy le Sec (French rugby club) |
| RCN➣Real Change Network (Aptos, CA) |