NGA may refer to:
Language Nga (Indic), a glyph in the Brahmic family of scripts Nga (Javanese) (ꦔ), a letter in the Javanese script Ngā, the (plural) definite article in the Māori language
Organizations US-based National Gallery of Art, museum in Washington, DC National Geospatial-Intelligence Agency, United States combat support agency National Giving Alliance (formerly Needlework Guild of America and NGA, Inc.), an American clothing donation charity National Golf Association, a former developmental golf tour National Governors Association, political organization for leaders of states, federal territories, and commonwealths National Greyhound Association, a registry for purebred greyhounds National Gym Association, a non-profit promoting all-natural bodybuilding
Other organizations National Gallery of Australia, museum in Canberra National Governors' Association (UK charity), an English charity relating to school governors National Graphical Association, a British trade union BBC Radio 3 New Generation Artists scheme, a talent scheme run by BBC Radio 3
Places
Nigeria, by ISO 3166-1 three-letter (alpha-3) code Young Airport, New South Wales, Australia, IATA airport code "NGA"
Other uses Nga (god), a Siberian deity Nga people, a tribal group of Arunachal Pradesh Natural Gas Act of 1938, first regulation of the natural gas industry by the United States federal government Next generation access, fibre optic broadband