| ARRA | Airborne Reconnaissance Requirements Assessment 
| Others |
| ARRA | American Recovery and Reinvestment Act
| Others |
| ARRA | American Recovery Reinvestment Act
| Others |
| ARRA | American Reinvestment and Recovery Act
| Others |
| ARRA | American Restoration and Recovery Act
| Others |
| ARRA | American Road Racing Association
| Others |
| ARRA | Americans for Responsible Recreational Access
| Others |
| ARRA | Announced Retransmission Random Access
| Others |
| ARRA | Asphalt Recycling & Reclaiming Association
| Others |
| ARRA | Asphalt Recycling and Reclaiming Association
| Others |