| Abbreviation | Definition |
|---|---|
| ACPA | Anti Cybersquatting Consumer Protection Act |
| ACPA | Arizona Crime Prevention Association |
| ACPC | Association of Corporate Patent Counsel |
| ACPG | Anti Corruption The Practical Guide |
| ACPI | American Crime Prevention Institute |
| ACQ | ACQuired |
| ACRB | Administrative Case Review Board |
| ACRD | Assault City Roller Derby |
| ACRI | Alternative Case Resolution Initiative |
| ACRJ | Alberta Community Restorative Justice |
| ACRJ | Arkansas Coalition for Reproductive Justice |
| ACRM | Anti-Corruption Revolutionary Movement |
| ACRN | Anti Corruption Research Network |
| ACRO | ACPO Criminal Records Office |
| ACRO | Criminal Records Office |
| ACS | Activity Control System |
| ACS | Always Cheating Somebody |
| ACSES | Advanced Civil Speed Enforcement System |
| ACSOL | Alliance for Constitutional Sex Offense Laws |
| ACSR | Association for Crime Scene Reconstruction |