Au

Au, AU, au or a.u. may refer to:

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

Physics and chemistry

 * 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 10−10 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

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
 * 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

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

 * 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.
 * Anaheim University in Anaheim, California
 * 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
 * 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

 * 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