| Abbreviation | Definition |
|---|---|
| ARF | Australian Rules Football |
| ARFA | Australian Resilient Flooring Association |
| ARGB | Australian Regulatory Guidelines for Biologicals |
| ARHC | Australian Roller Hockey Committee |
| ARHS | Australian Railway Historical Society |
| ARIA | Accessibility and Remoteness Index of Australia |
| ARIA | Accessibility Remoteness Index of Australia |
| ARIA | Australian Recording Industry Association |
| ARIES | Ariesaustralian Resource Information And Environment Satellite |
| ARIES | Australian Resource Information and Environment Satellite |
| ARITA | Australian Restructuring Insolvency and Turnaround Association |
| ARL | Australian Rugby League |
| ARLC | Australian Rugby League Commission |
| ARMA | Anglican Renewal Ministries Australia |
| ARMCANZ | Agriculture And Resource Management Council Of Australia And New Zealand |
| ARPP | Australian Residential Property Planners |
| ARRB | Australian Road Research Board |
| ARRD | Australian Railways Research and Development |
| ARSE | Australian Research and Space Exploration |
| ARSN | Australian Register Scheme Number |