| Term | Full Form | Category |
|---|---|---|
| ARLS | Addiction Recovery Legal Services | Others |
| ARLS | Advanced Radiology Life Support | Others |
| ARLS | Alberta Regional Lily Society | Others |
| ARLS | Amateur Radio Lighthouse Society | Others |
| ARLS | Appomattox Regional Library System | Others |
| ARLS | Athens Regional Library System | Others |
| ARLS | Automated Retail Logistics Systems | Others |
| ARLS | Automatic Resource Location System | Others |