KAG may refer to:
Communist Working Groups (Swedish: Kommunistiska Arbetsgrupperna), a former political organization in Sweden Kajaman language, by ISO 639 language code Gangneung Air Base, South Korea Air Force, Gangwon-do, IATA code Kauno Autobusų Gamykla, bus factory in Kaunas, Lithuanian SSR 1956-1979 Keep America Great, a political slogan popularized by Donald Trump Kilmar Abrego Garcia, a United States resident illegally deported in 2025 KiriKiri, an adventure game system King Arthur's Gold, an online multiplayer action game