| Acronym | Definition |
|---|
| ACASS➣Advanced Close Air Support System |
| ACASS➣Architect-Engineer Contract Appraisal Support System (Army contracting) |
| ACASS➣Architect-Engineer Contract Administration Support System |
| ACASS➣Audible Cycle Alert Safety Signal (packaging machine feature) |
| ACASS➣Alberta Congenital Anomalies Surveillance System |
| ACASS➣All Corporate Aviation Support Services |