| HRA | Hypersonic Research Airplane | 高超音速研究飞机 |
| HRA | Human Resotlrce Audit | 人力资源审计 |
| HRA | Holographic Repatterning Association | 全息重新构图协会 |
| HRA | Human Rights Association | 人权协会 |
| HRA | Human Resources Association | 人力资源协会 |
| HRA | Himalayan Rescue Association | 喜马拉雅救援协会 |
| HRA | Hawaii Rifle Association | 夏威夷步枪协会 |
| HRA | Health Resources Administration | 卫生资源管理 |
| HRA | Human Reliability Assessment | 人的可靠性评估 |
| HRA | Hydrogeological Risk Assessment | 水文地质风险评估 |
| HRA | Health Reimbursement Account | 健康报销账户 |
| HRA | Human Reliability Analysis | 人的可靠性分析 |
| HRA | Hot Rear Action | 热后部动作 |
| HRA | House/Home Rent Allowance | 房子租金津贴/回家 |
| HRA | Hereditary Renal Adysplasia | 遗传性肾脏发育不良 |
| HRA | Health Risk Assessment | 健康风险评估 |
| HRA | Housing and Redevelopment Authority | 房屋及重建局 |
| HRA | High-Radiation Area | 高辐射区 |
| HRA | Health Reimbursement Arrangement | 健康报销安排 |
| HRA | High Risk Area (travel) | 高风险区域(旅行) |
| HRA | Human Resources Allocation | 人力资源配置 |
| HRA | high right atrium | 高右心房 |
| HRA | heart reactive antibody | 心脏反应性抗体 |
| HRA | histamine releasing activity | 组胺释放活性 |
| HRA | heart rate audiometry | 心率测听 |
| HRA | House Rent Allowance | 房屋租金津贴 |
| HRA | Mansehra, Pakistan | 巴基斯坦曼塞赫拉 |
| HRA | Happy Room Academy | 快乐室学院 |
| HRA | Hay Remuneration Assistant | Hay薪酬助理 |
| HRA | Human Resources Advisor (US Army) | 人力资源顾问(美国陆军) |
| HRA | Hourly Rolling Average | 小时滚动平均值 |
| HRA | Heading Reference Assembly | 标题参考组件 |
| HRA | Human Rights Act 1998 | 1998年《人权法》 |
| HRA | Hannah Reynolds Associates (UK) | Hannah Reynolds Associates(英国) |
| HRA | Home Runs Allowed (baseball) | 允许本垒打(棒球) |
| HRA | Health Risk Appraisal | 健康风险评估 |
| HRA | Humanitarian and Refugee Affairs (US DoD) | 人道主义和难民事务(美国国防部) |
| HRA | High Resolution Apodizer | 高分辨率变迹器 |
| HRA | Human Rights Advocates (California) | 人权倡导者(加利福尼亚州) |
| HRA | Housing Revenue Account (UK local authority account for council housing) | 住房收入账户(英国地方当局对议会住房的账户) |
| HRA | Human Resources Administration | 人力资源管理局 |
| HRA | Happy Room Academy (Nintendo Animal Crossing game) | 快乐房间学院(任天堂动物穿越游戏) |
| HRA | Hold-Relax Active Motion | 保持放松主动运动 |
| HRA | Hull Receiving Array | 船体接收阵列 |
| HRA | Hard Replaceable Assembly | 硬可更换组件 |
| HRA | Health Record Associate | 健康记录助理 |
| HRA | Hardcore Revolutionary Anarchists (gaming clan) | 铁杆革命无政府主义者(游戏家族) |
| HRA | Harrington & Richardson Arms | 理查德&武器。哈林顿 |
| HRA | Hazard & Risk Assessment | 危险和风险评估 |