AUA may stand for:
Association American Unitarian Association, a Unitarian religious denomination in the United States and Canada from 1828 to 1961 American Urological Association Asian Universities Alliance Australian Uranium Association
Union American Union of Associationists, national organization of supporters of Fourierism in the United States from 1846 to 1851
University Adventist University of Africa Agricultural University of Athens American University of Antigua American University of Armenia Atlantic University Alliance, Ireland
Others The IATA airport code for Queen Beatrix International Airport in Oranjestad, Aruba Austrian Airlines (ICAO code) As-salamu alaykum, a traditional Islamic greeting Aua (band), an experimental krautrock band from Germany
Aua may refer to: Aua, American Samoa, a village in American Samoa Aua (Neuenstein), a village in Hesse, Germany Aua Island, an island in Bismarck Archipelago part of Western Islands, Papua New Guinea Aua, Reef Islands, one of the Reef Islands of the Solomon Islands province of Temotu Aua (angakkuq), an Inuk angakkuq (shaman) Aua, the Maori (indigenous) name for King Billy Island