- ACUS stands for Administrative Conference of the United States
- ACUS stands for Atlantic Council of the United States
- ACUS stands for Area Common User System
- ACUS stands for Army Common User System
- ACUS stands for Arizona Credit Union System
- ACUS stands for AT&T College and University Solutions (Program)
- ACUS stands for After-Care Under Supervision (Mental Health Act; UK)
ACUS