| ROAR | Rail Ocean Air And Road | 铁路、海洋、航空和公路 |
| ROAR | Respect, Organization, And Responsibility | 尊重、组织和责任 |
| ROAR | Rules Often Are Rewritten | 规则经常被重写 |
| ROAR | Rotors Obviously Are Replacable | 转子显然是可更换的 |
| ROAR | Rural Opportunities Across Rossendale | Rossendale的农村机会 |
| ROAR | Revelations Of Alternative Rhythms | 另类节奏的启示 |
| ROAR | Residents Organizing Activities For Residents | 居民组织居民活动 |
| ROAR | Resumix Online Applicant Response | 简历在线申请人回复 |
| ROAR | Responsibility, Organization, Academics, And Respect | 责任、组织、学术和尊重 |
| ROAR | Reach Out And Recover (mental health; Australia) | 伸出援手并康复（心理健康；澳大利亚） |
| ROAR | Right Of Admission Reserved | 保留入场权 |
| ROAR | Radar Obsolescence and Availability Recovery | 雷达老化和可用性恢复 |
| ROAR | Ravers Organized Against the Rave Act (USA) | Ravers组织反对Rave法案（美国） |
| ROAR | Research on Ongoing Acquisition Research | 持续收购研究 |
| ROAR | Reach Out and Rejoice | 伸出手来，高兴起来 |
| ROAR | Right of Admission Refused | 拒绝入场权 |
| ROAR | Reach Out Act Respond (Animal Planet advocacy organization) | 关爱行动响应（动物星球倡导组织） |
| ROAR | Resource Optimization and Alignment Review (Army medical department) | 资源优化和调整审查（陆军医疗部门） |
| ROAR | Reliability Obtained by Adaptive Reconfiguration (Stanford) | 通过自适应重构获得的可靠性（斯坦福） |
| ROAR | Rail Operations and Regulatory Committee (California) | 铁路运营和监管委员会（加利福尼亚州） |
| ROAR | Reservoirs of Antibiotic Resistance network | 抗生素耐药网络库 |
| ROAR | Recovery of Overpayments, Accounting and Reporting (Social Security Administration) | 追回多付款项、会计和报告（社会保障管理局） |
| ROAR | Return Of Army Reparables | 归还军队可修复物 |
| ROAR | Radio Operated Auto Racing | 无线电操作自动赛车 |
| ROAR | Radio Operated Automobile Racing (remote controlled cars) | 无线电操作汽车赛车（遥控汽车） |
| ROAR | Responsible Organization Action Request | 负责组织行动请求 |
| ROAR | Rise Organize And Rebuild | 上升组织和重建 |
| ROAR | Really On A Roll | 真的很顺利 |