Au

Au may refer to:

cience

*Absorbance Units, a reporting unit in spectroscopy
*Astronomical unit, the average distance between the Earth and the Sun
*Atomic units, a system of units convenient for atomic physics and other fields
*Gold, a chemical element with the symbol Au
*a.u., abbreviation for arbitrary unit

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

Universities

*Aarhus University, Denmark
*Aberystwyth University, Wales, United Kingdom (a founding member of the University of Wales in 1877, left the federation in 2007)
*Adelphi University, New York, United States
*Alfred University, New York, United States
*Algoma University, Sault Ste. Marie, ON, Canada
*Allahabad University, Uttar Pradesh, India
*American University, Washington, DC, United States
*Andrews University, Michigan, United States
*Anderson University (Indiana), United States
*Anderson University (South Carolina), United States
*Athabasca University, Alberta, Canada
*Auburn University, Alabama, United States

Geography

*Australia
*Au (Munich), Munich, Germany
*Au (Schwarzwald), Baden-Wurttmberg, Germany
*Au am Leithaberge, Austria
*Au, Guinea, Kankan Region
*Au im Bregenzerwald, Austria
*Au in der Hallertau, Germany
*Au, St. Gallen, Switzerland
*Au, Vorarlberg, Bregenz, Austria

Organizations

*African Union
*au (mobile phone operator), a mobile phone operator in Japan
*Akademia Umiejętności, a primary Polish scientific institution
*Americans United for Separation of Church and State
*Austral Lineas Aereas, IATA code
*Adventure Unlimited

Miscellaneous

*Au (squat), a building that has been squatted in Frankfurt, Germany
*Aú, a cartwheel in the Brazilian martial art of Capoeira
*Au (surname), a Chinese family name
*Au Co, a fairy in Vietnamese mythology
*Au (band), an experimental pop group headed by Luke Wyland
*Ford AU Falcon, a family car made in Australia
*"Alternative Ulster", a music magazine
*Alternative universe (fan fiction)
*Athletic Union, the union of sports clubs in a British university