| ARRC | Academic Resource and Referral Center 
| Others |
| ARRC | Ace Rapid Reaction Corps
| Others |
| ARRC | Acupuncture Research Resource Centre
| Others |
| ARRC | Addiction Recovery Research Center
| Others |
| ARRC | Administrative Regulations Review Commission
| Others |
| ARRC | Administrative Rules Review Committee
| Others |
| ARRC | Advanced Radar Research Center
| Others |
| ARRC | Advanced Railway Research Centre
| Others |
| ARRC | Advanced Recovery Rehabilitation Center
| Others |
| ARRC | Africa Rainforest and River Conservation
| Others |
| ARRC | Alaska Raptor Rehabilitation Center
| Others |
| ARRC | Alaska Rural Rehabilitation Corporation
| Others |
| ARRC | Alcuin Research Resource Centre
| Others |
| ARRC | Aligned Round Rock Curriculum
| Others |
| ARRC | Allied Command Europe Rapid Reaction Corps
| Others |
| ARRC | Allied Rapid Reaction Corps
| Others |
| ARRC | Alternative Reference Rates Committee
| Others |
| ARRC | American Road Race of Champions
| Others |
| ARRC | Animas River Russian Collusion
| Others |
| ARRC | Appalachian Regional Recycling Consortium
| Others |
| ARRC | Aquatic Resource Restoration Company
| Others |
| ARRC | Area Reference And Resource Center
| Others |
| ARRC | Arlington Road Runners Club
| Others |
| ARRC | ASPIN Recruitment Retention Consortium
| Others |
| ARRC | Associate of the Royal Red Cross
| Others |
| ARRC | Atlantic Ro Ro Carriers
| Others |
| ARRC | Auto Reference Resource Center
| Others |
| ARRC | Auto Rental Resource Center
| Others |
| ARRC | Auto Repair Reference Center
| Others |
| ARRC | Aylesbury Recycling And Reuse Centre
| Others |