GNC may refer to:

Politics

  • General National Congress, the former legislative authority of Libya
  • Green National Committee, the governing body of the Green Party of the United States
  • Green National Convention, of the Green Party of the United States
  • Générations NC, political party in New Caledonia

Schools

  • Guagua National Colleges, in Pampanga, Philippines
  • Guru Nanak College (disambiguation)

Other uses

  • GNC (company), an American fitness and nutrition supplements retail chain
  • GNC hypothesis, on the origin of genes
  • Gandhinagar Capital railway station, in Gujarat, India
  • Gender nonconformity, the lack of a binary gender identity
  • Geographical Names Committee, a Chinese organization adopting SASM/GNC romanization
  • Gibraltar Nynex Communications, a former telecommunications operator in Gibraltar
  • Global Night Commute, a 2006 protest event
  • Good Neighbour Council, a post-World War II program of the Government of Australia
  • Greencore, an Irish food company
  • Guanche language
  • Guidance, navigation, and control, in aeronautics
  • A cocaine hapten analog