AUA

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
 * Association of University Administrators, a professional body for higher education administrators and managers in the United Kingdom and Republic of Ireland
 * 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 College of Medicine
 * 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 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 (Inuit), an Inuit angakkuq (shaman)
 * Aua (New Zealand), the Maori (indigenous) name for King Billy Island