{{Wiktionary|au|AU|Au|aŭ}} '''Au''', '''AU''', '''au''' or '''a.u.''' may refer to: {{TOC right}} ==Science and technology== ===Computing=== * .au, the internet country code for Australia * Au file format, Sun Microsystems' audio format * Audio Units, a system level plug-in architecture from Apple Computer * Adobe Audition, a sound editor program * Windows Update or Automatic Updates, in Microsoft Windows * Windows 10 Anniversary Update, of August 2016a
===<span id="unit">Physics and chemistry</span>=== * Gold, chemical symbol Au * Absorbance unit, a reporting unit in spectroscopy * Atomic units, a system of units convenient for atomic physics and other fields * Ångström unit, a unit of length equal to 10<sup>−10</sup> m or 0.1 nanometre. * Astronomical unit, a unit of length used in planetary systems astronomy * Arbitrary unit, a placeholder unit for when the actual value of a measurement is unknown or unimportant
==Arts and entertainment== ===Music=== * AU (band), an experimental pop group headed by Luke Wyland * ''Au'', a 2010 release by Scottish rock band Donaldson, Moir and Paterson * ''Au'' a track on Some Time in New York City by an album by John Lennon & Yoko Ono and Elephant's Memory
===Magazines=== * ''Alternative Ulster'', a Northern Irish music magazine, now called ''AU'' * ''A&U: America's AIDS Magazine'', sponsor of the Christopher Hewitt Award
===Other media=== *Alternative universe (fan fiction), fiction by fan authors that deliberately alters facts of the canonical universe written about. * Au Co, a fairy in Vietnamese mythology * ''Age of Ultron'', a 2013 series published by Marvel Comics * A.U, a Chinese media franchise and brand
==Organizations== * au (mobile phone company), a mobile phone operator in Japan * AU Small Finance Bank in India * African Union, a continental union * Americans United for Separation of Church and State * Athletic Union, the union of sports clubs in a British university * Austral Líneas Aéreas (IATA code AU) * Auxiliary Units, specially trained, highly secret units created by the United Kingdom government during the Second World War * AGROunia, an agrarian-socialist political party in Poland
===Universities=== ====Asia==== * Ajou University in Suwon, Gyeonggi, South Korea * Abasyn University in Peshawar, Khyber Pakhtunkhwa, Pakistan * Andhra University in Visakhapatnam, AP, India * Anhui University in Hefei, Anhui, China * Aletheia University in New Taipei City, Taiwan * Allahabad University in Allahabad, Uttar Pradesh, India * Arellano University in Philippines * Assumption University (Thailand) in Thailand * Abhilashi University in Himachal Pradesh, India * Adesh University in Bathinda, Punjab, India.
====Europe==== * Aarhus University in Aarhus, Denmark * Aberystwyth University in Aberystwyth, Wales, United Kingdom * Akademia Umiejętności in Kraków, Poland * Arden University in Coventry, England
====Oceania==== * Adelaide University in South Australia, Australia * Auckland University in New Zealand
====North America==== * Adelphi University in Garden City, New York * Alfred University in Alfred, New York * Algoma University in Sault Ste. Marie, Ontario, Canada * American University in Washington, D.C. * Anderson University (Indiana) in Anderson, Indiana * Anderson University (South Carolina) in Anderson, South Carolina * Andrews University in Berrien Springs, Michigan * Antioch University in Culver City, California * Apollos University in Huntington Beach, California * Arcadia University in Glenside, Pennsylvania * Argosy University in Alameda, California * Arizona University in Tucson, Arizona * Ashland University in Ashland, Ohio * Athabasca University in Athabasca, Alberta, Canada * Auburn University in Auburn, Alabama * Augsburg University in Minneapolis, Minnesota * Augusta University in Augusta, Georgia * Aurora University in Aurora, Illinois
====Other==== * Air University (disambiguation), various Air Force universities
==Places== * Aue (toponymy), a frequent element in Germanic toponymy * Australia (ISO 3166 country code) * Au, Guinea, Kankan Region
===Austria=== * Austria (obsolete NATO, FIPS, and LOC MARC two-letter country code) * Au, Vorarlberg, Bregenz, Austria * Au am Leithaberge, Austria * Au im Bregenzerwald, Austria
===Germany=== * Au (Munich), Munich, Germany * Au (Schwarzwald), Baden-Württemberg, Germany * Au (squat), a building and cultural center in Frankfurt, Germany * Au am Rhein, Germany * Au in der Hallertau, Germany
===Switzerland=== * Au, St. Gallen * Au, Zürich * Au peninsula * Schloss Au, a château in Wädenswil
==Vehicles== * Ford Falcon (AU), a family car made in Australia * Vought AU, a post-World War II US Marine Corps variant of the F4U Corsair aircraft
==Other uses== * Alopecia universalis, a medical condition involving the loss of all body hair * Aú, a cartwheel in the Brazilian martial art of Capoeira * Au (surname), a Chinese family name * Au language * ''Ab urbe condita'' (sometimes abbreviated as a.u.), Latin for "from the founding of the City" (Rome) * a'u, the Hawaiian name for the Pacific blue marlin<!--non English language term best in See also-->
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