AUS

• Australia using ISO 3166-1 alpha-3 country code
• Assam University, Silchar
• American University of Sharjah
• Application Update Service, the service for updating Mozilla products
• Aqueous Urea Solution, see AdBlue
• 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 Southern Railroad
• Augusta and Summerville Railroad
• Austin-Bergstrom International Airport in Austin, Texas
• Aus, Namibia, a village in Namibia about 120 km east of Luderitz, with an approximate population of 200
• Australian Union of Students
• Ā.U.S., Ānkh, Utcha, Senb (Ā.U.S.) for the Ancient Egypt phrase: "Life, Prosperity, Health"
• Banu Aus - one of the Arabian tribes that interacted with Muhammad

People

• Gunvald Aus. Norwegian writer
• Lauri Aus, an Estonian cyclist