Posted in Government & Military, Information Technology, Schools & Education ABACUS stands for Association of Building Societies and Credit Unions (Australia) ABACUS stands for Armed Forces Billing and Collection Utilization Solution (Military Health System) ABACUS stands for Arctic Biosphere Atmosphere Coupling at Multiple Scales ABACUS stands for Architecture and Building Aids Computer Unit ABACUS stands for Advanced Battlefield Computer Simulation ABACUS stands for Automated Budget Analysis/Centralized User System (AFMC system) ABACUS stands for Association for British and Chinese University Students (UK) ABACUS stands for Association of Bibliographic Agencies of Britain, Australia, Canada and the United States