APB

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

 * 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
 * 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