CIG

CIG could stand for:

Organizations

 * Cambridge Information Group, a privately held global investment firm focusing on information services, education and technology
 * Confederación Intersindical Galega (Galician InterTrade Union Confederation) is a Galician Trade union with the legal status of more representative trade union in Spain
 * Columbia Insurance Group, a private US insurance company
 * Central Intelligence Group, the predecessor to the Central Intelligence Agency, active between 1946 and 1947
 * Cloud Imperium Games, a PC game software developer
 * CIG, New York Stock Exchange stock symbol for Companhia Energetica de Minas Gerais S.A.

Others

 * The IEEE Conference on Computational Intelligence and Games, an annual conference on computational intelligence research related to game applications
 * Cig, a colloquial term for a cigarette
 * The Canadian Improv Games, an annual nationwide Improvisation competition for high school students in Canada
 * Corpus Inscriptionum Graecarum (Berlin, 1825–1877), the first attempt at a standard corpus of the Greek inscriptions of Antiquity
 * Computational Infrastructure for Geodynamics, an organization that develops and maintains open-source software for computational geophysics
 * IATA airport code for Craig-Moffat Airport
 * Cig, a village in Tăşnad Town, Satu Mare County, Romania
 * Copper indium gallium selenide solar cells, a kind of a flexible, thin film solar cell
 * Career Integration Grants, part of Marie Curie Actions European research grants
 * Converter interfaced generation
 * CIG, an abbreviation for the Corpus Inscriptionum Graecarum a collection of ancient Greek inscriptions.