University of Arizona

University at Albany, The State University of New York

United Artists, an American film studio

University of Alberta, located in Canada

University of Alabama

University of Arkansas

University of Aberdeen, located in Scotland

Astronomical unit

United Admins (A popular game-server administration and anti-cheat organization)

Upper Arlington, Ohio, a city in Ohio

University of Akron in Ohio

urinalysis

List of art schools as "University of the Arts" is an often used name for an arts-oriented institution of higher learning

Union Association, a 19th century baseball league in the US

University of Auckland, located in New Zealand

Urbanized Area

Unauthorized absence, see AWOL

UA (singer), a Japanese singer

University of Alaska System

University of Antwerp, located in Belgium

University of Alcalá, located in

Unit of account

Aveiro University, located in Portugal

United Association of Journeymen and Apprentices of Plumbers and Pipe Fitters Industry of the United States and Canada (Trade Union)

Under Armour, a brand of clothing

Ursuline Academy, a series of academies named after the Catholic order

U-A, a Turkish U-boat captured and commissioned into Nazi German Kriegsmarine during World War II

Ukraine (ISO country code)

ultrAslan, a Galatasaray SK fan group

United Abominations, Megadeth album

United Airlines (IATA airline designator)

Unknown Armies a Role-playing game

User agent, a class of software in computer networks