UAB

UAB may stand for:


 * Uždaroji akcinė bendrovė, a type of limited liability company in Lithuania

Organizations

 * Apostolic United Brethren, polygamist Mormon fundamentalist church
 * University of Alabama at Birmingham, a public research university in Birmingham, Alabama, USA
 * UAB Blazers, the athletic program of the above school
 * Autonomous University of Barcelona, a public university in Barcelona, Catalonia, Spain
 * Unemployment Assistance Board, a British governmental authority that operated from 1934 to 1940
 * Underwater Archaeology Branch, Naval History & Heritage Command, a United States Navy unit devoted to underwater archaeology
 * Universal Aryan Brotherhood, a white power prison gang in the United States