ACB may refer to:
Organizations Banks African Central Bank, one of the three financial institutions of the African Union Asia Commercial Bank, a commercial bank in Vietnam
Sports bodies Afghanistan Cricket Board, the governing body for professional and amateur cricket in Afghanistan Asociación de Clubs de Baloncesto, governing body of principal basketball league in Spain Absolute Championship Berkut, a mixed martial arts, kickboxing, and Brazilian jiu-jitsu promotion based in Russia Liga ACB, the top professional basketball division of the Spanish basketball league system Australian Cricket Board, the management for all international and domestic cricket in Australia (the board also manages the Australian Men's and Australian Women's team)
Other organizations American Council of the Blind, a nationwide organization in the US Amphibious Construction Battalion of the US Navy Anti-Corruption Bureau, Andhra Pradesh, India ASEAN Centre for Biodiversity, an intergovernmental organization Association for Clinical Biochemistry and Laboratory Medicine, the British professional body for clinical biochemists, a member of the Science Council Aurora Cannabis, whose stock is publicly traded under the ticker symbol ACB Australian Classification Board, Australia's statutory censorship and classification body
People Amy Coney Barrett, Associate Justice of the US Supreme Court
Places Airport City Belgrade Antrim County Airport in Bellaire, State of Michigan, US (IATA code ACB) Acton Bridge railway station, Cheshire, England, National Rail station code
Other uses Adjusted cost base, to calculate the cost of an investment for tax purposes Aortocoronary bypass, a medical procedure Air circuit breaker T Áncá language of Nigeria, which may be the same as the Manta language of Cameroon (ISO 639-3 code acb)