ACCU

ACCU may refer to:
 Autodefensas Campesinas de Cordoba y Uraba, a Colombian paramilitary group
 Accu (battery), a battery that can be restored to full charge by the application of electrical energy
 ACCU (organisation), a software development user group
 Association of Catholic Colleges and Universities
 Australian Central Credit Union, a credit union based in metropolitan and regional South Australia and the Northern Territory
 Asia/Pacific Cultural Centre for UNESCO
 Aquarian Christine Church Universal, a religious movement founded by Levi Dowling