ACSU
| Acronym | Definition |
|---|---|
| ACSU | Advanced (T-1) Channel Service Unit |
| ACSU | Anti-Corruption and Security Unit (International Cricket Council) |
| ACSU | Air Cooled Split Unit (ventillation) |
| ACSU | American Cancer Society University |
| ACSU | Association of Computer Science Undergraduates |
| ACSU | American Conservative Student Union |
| ACSU | Add-Compare-Select Unit |
| ACSU | Adult Crisis Stabilization Unit |
| ACSU | Antenna Configuration Switching Unit |
| ACSU | Air Combat Support Unit (UK) |