ACN

ACN may refer to:

• Accenture (NYSE: ACN)
• Acetonitrile
• Achang language, a Tibeto-Burman language of China
• Achnasheen railway station, UK, National Rail code
• Acineta, a genus of orchid
• ACN Inc., multi-level marketing telecommunications company
• Acrylonitrile
• Action Congress of Nigeria, political party of Nigeria
• Africa Cup of Nations, biennial football tournament
• Agencia Carabobeña de Noticias, news agency, Valencia, Venezuela
• Aid to the Church in Need, Catholic charity in Königstein im Taunus, Germany
• Aircraft Classification Number, pavement load of an aircraft
• American Collectibles Network, now Jewelry Television, US
• Andean Community of Nations
• Anglican Communion Network, Pittsburgh, USA
• Ante Christum Natum, seldom-used Latin equivalent of B.C.
• Architecture for Control Networks, network protocol for theatrical control
• Atlantis Cable News, fictional news channel on The Newsroom (U.S. TV series)
• Australian Company Number