AUS or Aus may refer to:
Organizations
- Army of the United States, the wartime conscription component of the United States Army
- Association of University Staff of New Zealand
- Atlantic University Sport, the governing body for university sport in Canada's Atlantic provinces
- Augusta and Summerville Railroad
- Australian Union of Students
- Banu Aus, one of the Arabian tribes that interacted with Muhammed
People
Places
- Australia, by ISO 3166-1 alpha-3 country code
- Austin–Bergstrom International Airport, Austin, Texas, United States; IATA airport code
- Aus, Namibia, a village in Karas Region, Namibia
- Robert Mueller Municipal Airport, Austin, Texas, United States; used IATA code of AUS prior to its reassignment to Austin–Bergstrom International
Schools
- Assam University, Silchar, India
- American University of Sharjah
Other uses
- Ankh wedja seneb (Ā.U.S.), the Ancient Egypt phrase: "Life, Prosperity, Health"
- Aqueous urea solution, a component of diesel exhaust fluid
- Artificial urinary sphincter, medical implant
- Augusta Southern Railroad
- Australian Aboriginal languages (ISO 639-2 and ISO 639-5 codes)
- Aus rice, a type of rice grown in summer months
- AUS, post-nominal letters for an Associate of the University of Surrey
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