RCN
RCN stands for:
- American River Airport (IATA code), American River Airport ( Australia) , Kangaroo Island , South Australia
- Clásico RCN , road bike race in Colombia
- Radiowe Centrum Nadawcze , broadcast transmission systems in Poland
- RCN Televisión , Colombian television broadcaster
- RCN Radio , Colombian radio station
- Rectilinear Crossing Number , mathematical project of distributed computing
- Royal Canadian Navy , until 1961 and again since August 2011 the official name of the Navy of Canada
- Royal College of Nursing , a British trade union
- Circuit Challenge Nürburgring , Germany's oldest touring car series
- Rijksdienst Caribisch Nederland , Dutch Supreme Authority