CDG may refer to:
People
- Charles de Gaulle (CdG; 1890–1970), French general and President
Places
- Charles de Gaulle Airport (CdG; IATA code ), Paris, France
- Chandigarh railway station (station code ), Chandigarh. Punjab and Haryana, India
- CDG Express, a rail line between Gare de l'Est train station and Charles de Gaulle airport, in Paris, France
Groups, organizations
- Shandong Airlines (ICAO code ), based in Shandong, China
- CDG Books, a subsidiary of Wiley and parent of Macmillan of Canada
- CDG Group (from: Control Data Group), formerly Thai subsidiary of Control Data, a group of tech companies in Thailand
- CDMA Development Group, the industrial association for CDMA telecommunications
- Caisse de dépôt et de gestion, Moroccan pension fund
- Gulf Cartel (CDG; ), a criminal syndicate and drug trafficking organization in Mexico
- Casual Dining Group, a hospitality company of restaurant chains
- Cave Diving Group, a UK-based diver training organization focused on cave diving
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- ComfortDelGro, a Singaporean multinational land transport company
- Comédie de Genève, a Swiss theatre
- Comme des Garçons, a Japanese fashion company
- Costume Designers Guild, an international professional labor union
- Council for a Democratic Germany, a US-based WW2 German exile organization for the reformation of Germany
Specifications, protocols, standards
- CD+G or CD+Graphics, a format of Compact Disc including both audio and video graphics
- CAIA Delay-Gradient, in computer networking, a congestion control algorithm
- Carriage of Dangerous Goods, associated with ADR (treaty)
Other uses
- Calcium diglutamate (CDG; Ca(C<sub>5</sub>H<sub>8</sub>NO<sub>4</sub>)<sub>2</sub>), a calsium salt of glutamic acid
- Card-driven game, a type of wargaming
- Chamari language (ISO 639 language code ), language of the Chamar caste in India
- (CdG), a nuclear-powered aircraft carrier of France
- Congenital disorder of glycosylation, an inborn error of metabolism, also known as CDG Syndrome