NCG may refer to: National Centre for Geocomputation at Maynooth University, Ireland National Co+op Grocers, an American business services cooperative Network of Cancer Genes, a web resource Nicolaus-Cusanus-Gymnasium Bergisch Gladbach, a school in Bergisch Gladbach, Germany Nicolaus-Cusanus-Gymnasium Bonn, a school in Bonn, Germany Non-circular gear, a gear design Noncommutative geometry, a branch of mathematics NCG, formerly Newcastle College Group, in England NCG Banco, S.A., Spain Neighborhood Cinema Group, a movie theater franchise in Michigan, U.S. Nisga'a language, ISO 639-3 language code ncg