CDG may refer to:

Transport

* Charles de Gaulle Airport (IATA code), Paris, France * Chandigarh Junction railway station, Chandigarh railway station * ComfortDelGro, a Singaporean multinational land transport company * Shandong Airlines (ICAO code), based in Shandong, China * French aircraft carrier Charles de Gaulle (R91) * Carriage of Dangerous Goods, associated with ADR (treaty)

People

* Charles de Gaulle, French general and President

Organization

* Caisse de dépôt et de gestion, Moroccan pension fund * Gulf Cartel or ''Cartel del Golfo'', a criminal syndicate and drug trafficking organization in Mexico * Congenital disorder of glycosylation also known as ''CDG Syndrome'' * Costume Designers Guild * Cave Diving Group * Comme des Garçons, a Japanese fashion company * CDG Nepal, a Nepali online news portal

Compound

* Calcium diglutamate

Computers

* CD+G or ''CD+Graphics'', a format of Compact Disc including both audio and video graphics * Card-driven game, a type of Wargaming#Cards, wargaming * CAIA Delay-Gradient, in computer networking, a congestion control algorithm {{disambiguation