The RNC abbreviation stands for:

  • Radio network controller, a network element of the UMTS mobile radio digital network
  • Raster Nautical Chart, an electronic raster chart
  • Republican National Committee, the national organization committee in the U.S.
  • Republican National Convention, Republican Party ( United States ) a meeting to nominate a presidential candidate and determination of the party program
  • Roma National Congress, an umbrella organization of civil rights organizations of the Roma

In addition, RNC is the file name extension of the compact form of RELAX NG.