| ARR | Annual Return Rate | 年返修率 |
| ARR | Automatic ReRouting | 自动重选路由 |
| ARR | Aircraft Radio Regulations | 飞机无线电规程 |
| ARR | Association for Regulatory Reform | 监管改革协会 |
| ARR | Association for Radiation Research (UK) | 辐射研究协会（英国） |
| ARR | Airborne Reference Radar | 机载参考雷达 |
| ARR | Almost Ready to Run (R/C kits) | 差不多准备好(R / C板) |
| ARR | Admissions, Recruitment and Registrar's Office (McGill University office) | 招生、招聘、承办人始(中山大学企业管理办公室) |
| ARR | Availability Readiness Review (US Navy) | 可用性准备审查（美国海军） |
| ARR | Anti-Repeat Relay | 防重复继电器 |
| ARR | Arizona Road Racers | 亚利桑那州公路赛车队 |
| ARR | Audit and Risk Review | 审计和风险审查 |
| ARR | Annual Recurring Requirement | 年度经常性需求 |
| ARR | Acquisition Requirements Record | 采办要求记录 |
| ARR | Asteroid Radar Research | 小行星雷达研究 |
| ARR | Atari Cubase Arrangement file | Atari Cubase排列文件 |
| ARR | Abingdon Rough Riders (San Francisco, CA) | Abingdon Rough Riders（加利福尼亚州旧金山） |
| ARR | Average Reward Rate | 平均报酬率 |
| ARR | Anno Regni Regis/Reginae (in the year of the king/queen's reign) | Anno Regni瑞吉斯/ Reginae(在王在位/王后) |
| ARR | American River Recreation (Lotus, CA) | 美国河流娱乐（加利福尼亚州莲花） |
| ARR | Annual Resident Review | 年度住户审查 |
| ARR | Armour Research Reactor | 装甲研究反应堆 |
| ARR | arrhythmic | 没有节奏的 |
| ARR | Amber ARR image file Bitmap graphics | 琥珀色ARR图像文件位图图形 |
| ARR | Allowance Requirements Registers | 津贴要求登记簿 |
| ARR | Artist's Resale Right (EC intellectual property right) | 艺术家的转售权(EC知识产权) |
| ARR | Average Room Rent | 平均房间租金 |
| ARR | Assessment, Recording and Reporting (UK schools) | 评估、记录和报告（英国学校） |
| ARR | Automatic Re-Routing | 自动重新路由 |
| ARR | Army Readiness Regions | 陆军战备地区 |
| ARR | Arrangement | 安排 |
| ARR | Alert Readiness Rate | 警报就绪率 |
| ARR | Arrive | 到达 |
| ARR | Attack Relevance Rating (Cisco) | 攻击相关性评级（Cisco） |
| ARR | Albany River Rats (hockey team) | 奥尔巴尼河鼠队（曲棍球队） |
| ARR | Arrange | 安排 |
| ARR | Adult Employment Retention Rate | 成人就业保留率 |
| ARR | Airborne Radio Receiver | 机载无线电接收机 |
| ARR | A.R. Rahman (Indian composer) | A、 R.拉赫曼（印度作曲家） |
| ARR | Axel Roxas Reno (dolls) | Axel Roxas Reno（玩偶） |
| ARR | Active Rebuilders and Restorers | 活动重建程序和还原程序 |
| ARR | Army Retail Requirements | 陆军零售需求 |
| ARR | Average Room Rate (hotel Industry) | 平均房价（酒店业） |
| ARR | Annual Replacement Rate | 年更换率 |
| ARR | Academy of Radiology Research (Washington, DC) | 放射研究院（华盛顿特区） |
| ARR | Acceptable Risk Range | 可接受风险范围 |
| ARR | Accounting Rate of Return | 会计收益率 |
| ARR | Assemble Test and Launch Operations (ATLO) Readiness Review (NASA) | 组装测试和发射操作（ATLO）准备就绪审查（NASA） |
| ARR | Alaska Railroad | 阿拉斯加铁路 |
| ARR | Absolute Risk Reduction | 绝对风险降低 |
| ARR | Andøya Rocket Range | Andøya Rocket Range |
| ARR | Autoritatea Rutiera Romana (Romanian Road Authority) | 罗马尼亚公路管理局 |
| ARR | Arrival | 到达 |
| ARR | Annual Revenue Requirement | 年度收入要求 |
| ARR | Ageing Research Reviews | 老龄化研究综述 |
| ARR | Antenna Rotation Rate | 天线旋转速率 |
| ARR | Attributes for Representing Relationships | 表示关系的属性 |
| ARR | All Rights Reserved | 保留所有权利 |