RNC may refer to:
Science and technology Radio Network Controller, a governing element of a mobile phone network Ribosome-nascent chain complex, in biology Romanian National R&D Computer Network, registry for the .ro top-level domain .rnc, file extension for Relax NG files in compact syntax Raster Navigational Charts (NOAA), a raster file format for nautical charts RNC, a randomized computational complexity class extending NC
Organisations Nishinippon Broadcasting, a Japanese commercial broadcaster Royal Newfoundland Constabulary, a police force in Newfoundland and Labrador, Canada Russia-NATO Council, for cooperation between Russia and NATO military alliance Riverside National Cemetery, a cemetery in Riverside, California for the interment of US military personnel Royal National College for the Blind, a college in Hereford, UK Royal Niger Company, a mercantile company chartered by the British government in the nineteenth century
Politics Republican National Committee, the principal campaign and fund-raising organization affiliated with the US Republican Party Republican National Convention, the nominating convention for the United States Republican Party Rwanda National Congress, a political movement created by prominent Rwandan dissidents
Other uses Rear naked choke, a martial arts move Ranchi Junction railway station (station code: RNC), Jharkhand, India