APB may refer to:
Law enforcement and military All-points bulletin, a broadcast (about a wanted suspect or missing person) issued from one US law enforcement agency to another Acquisition Program Baseline, in the United States military
Media "A.P.B.", a song on Womack & Womack's 1984 album Love Wars APB (band), a Scottish band Apoptygma Berzerk, a Norwegian electronic music group APB (1987 video game) APB: All Points Bulletin, a 2010 massively multiplayer online game for Microsoft Windows APB (TV series), an American television series that aired in 2017
Organizations Abattoir Public de Bujumbura, a slaughterhouse in Bujumbura, Burundi Accounting Principles Board, the former authoritative body of the American Institute of Certified Public Accountants Alliance for Brazil Asia Pacific Breweries Atrocities Prevention Board, an interagency body in the U.S. government that evaluates long-term risks of genocide Auditing Practices Board, a committee of the Financial Reporting Council
Science and technology 6-APB, a psychoactive compound similar in structure to MDA Advanced Peripheral Bus, a type of microcontroller bus Angrite parent body, the source of angrite meteorites Atrial premature beat, a cardiac dysrhythmia
Other uses The Albany Pine Bush, an inland pine barrens Appley Bridge railway station's station code A version of the Stechkin automatic pistol with integrated silencer Aft pressure bulkhead, part of commercial airliners or other planes that have pressurized cabins A US Navy hull classification symbol: Self-propelled barracks ship (APB) Armor Piercing Bullets
See also All Points Bulletin (disambiguation)