CGE may refer to:
Companies Canadian General Electric Compagnie Générale des Eaux, French company renamed Vivendi SA in 1998, merged with Canal+ and Seagram in 2000 to become Vivendi Universal Compagnie Générale d'Electricité, French company which became part of Alcatel Compagnia Generale di Elettricità S.p.A., former Italian subsidiary of American company General Electric Czech Games Edition, a Czech boardgames publisher
Education Conférence des grandes écoles (CGE), France Center for Gifted Education, Virginia
Entertainment Classic Gaming Expo, a video game convention started in 1999
Politics Conservative Group for Europe, advocacy group in the United Kingdom, replaced by the Conservative European Forum in 2021
Sciences Caudal Ganglionic Eminence, in neuroscience Computable general equilibrium models, in economics
Places The IATA code for Cambridge–Dorchester Airport in Cambridge, Maryland