| Abbreviation | Definition |
|---|---|
| ARM | Accredited Residential Manager |
| ARM | Associate in Risk Management |
| ARNP | Advanced Registered Nurse Practitioner |
| ARO | Alternate Responsible Officer |
| ARP | Alternative Retirement Plan |
| ARPC | Accredited Retirement Plan Consultant |
| ARPS | Accredited Retirement Plan Specialist |
| ARS | Awards And Recognition Specialists |
| ARSO | Assistant Regional Security Officer |
| ARV | Average Relative Variance |
| AS | Appointment Secretary |
| ASA | Accredited Senior Appraiser |
| ASA | Alarm Systems Agent |
| ASA | Assistant Secretary of the Army |
| ASA | Associate of the Society of Actuaries |
| ASAN | As Soon As Needed |
| ASAP | Administrative Staff Assistance Personnel |
| ASAP | Advanced Staffing Assistance Process |
| ASAP | Automated Staffing Application Program |
| ASARS | Automated Stopper And Referral System |