| Abbreviation | Definition |
|---|---|
| APALC | Alliance Pacific American Legal Center |
| APALC | Anders Pacific American Legal Center |
| APALC | Asian Pacific American Legal Center |
| APALC | Asian Pacific American Legal Center of Southern California |
| APAT | Andhra Pradesh Administrative Tribunal (India) |
| APB | All Points Bulletin |
| APC | Angled Physical Contact |
| APCO | Associated Public-Safety Communications Officers |
| APD | Albuquerque Police Department |
| API | Affluent Parents Index |
| APLC | Apman A Professional Law Corporation |
| APLI | Asia Pacific Legal Institute |
| APPD | Adult Probation and Parole Department |
| APPN | Administrative Policy and Procedure Notices |
| APR | Admission to Practice Rules (court rules) |
| APS | Absolute Print Signature |
| APS | Adult Protective Services |
| APS | Attending Physician's Statement |
| APS | Attorneys' Process Service |
| APTC | American Property Tax Counsel |