UAC

UAC may refer to:

Computing

• User Account Control, a Windows security feature
• User Agent Client, part of the Session Initiation Protocol user agent that is behaving like a client-server client (as opposed to UAS, User Agent Server)
• Unit Attention Condition, an error condition on a SCSI device

Organizations

• Ulster Army Council, set up in 1973 as an umbrella group by the Ulster Defence Association and the Ulster Volunteer Force to co-ordinate joint paramilitary operations during the Loyalist strike
• Undeb Amaethwyr Cymru, the Farmer's Union of Wales
• Unemployment Action Center, a non-profit organization in New York City
• Union Aerospace Corporation, a fictional conglomerate from the Doom universe
• Union of Catholic Apostolate, a Catholic association
• United Aircraft and Transport Corporation, formed in 1929, when William E. Boeing teamed up with Frederick B. Rentschler of Pratt & Whitney
• United Aircraft Corporation, - in Russian: Объединённая Авиастроительная Корпорация, Obyedinyonnaya Aviasroitelnaya Korporatsiya (OAK) - is a Russian open joint stock corporation with a majority stake belonging to the Russian Government that consolidates Russian private and state-owned aircraft construction companies and assets engaged in the manufacture, design and sale of military, civilian, transport, and unmanned aircraft
• United American Committee, a non-partisan, non-profit, 501c(3) organization dedicated to educating the nation about the current threats that they believe are confronting the U.S., with the primarily focus on confronting Islamic extremism
• Université d’Abomey-Calavi, part of the National University of Benin
• United Africa Company, a British company which principally traded in West Africa during the 20th century
• United Arab Command, a unified military command structure of the member states of the Arab League
• Universities Admissions Centre the organization that processes applications for admission to tertiary education courses at participating institutions in Australia, mainly in New South Wales and the Australian Capital Territory.

Others

• Unaltered Augsburg Confession of the Lutheran Church, as distinguished from a later version known as the Variata
• Upper Arm Circumference, in reference to choosing the correct size blood pressure cuff
• Urban adult contemporary, a music radio format