GGN

GGN may refer to:


 * Air Georgian (ICAO: GGN), a Canadian airline
 * Gagnoa Airport (IATA: GGN), in Ivory Coast
 * GLOBALG.A.P, GLOBALG.A.P. Number
 * Global Geoparks Network
 * Glycin, a photographic developing agent
 * Gurgaon railway station, in Haryana, India
 * Gurung language (ISO 639:ggn), spoken by the Gurung people of Nepal
 * Reformed Congregations in the Netherlands (Dutch: Gereformeerden Gemeenten in Nederland)