| ROA | return on asset | 资产回报率 |
| ROA | right occipito-anterior | 枕右前 |
| ROA | the Republic of Argentina | 阿根廷共和国 |
| ROA | Reserve Officers Association | 预备役军官协会 |
| ROA | Roanoke, VA, USA - Roanoke Regional Airport (Airport Code) | 美国弗吉尼亚州罗阿诺克-罗阿诺克地区机场（机场代码） |
| ROA | Retired Officers Association | 退役军官协会 |
| ROA | Retired Officers' Association | 退休人员协会 |
| ROA | Riviera Owners Association (Buick Riveria model; Altoona, IA) | Riviera车主协会（别克Riveria车型；爱荷华州Altoona） |
| ROA | Radius of Action | 作用半径 |
| ROA | Running on Arrival (elevator industry) | 到达时运行（电梯行业） |
| ROA | Rights of Accumulation | 累积权 |
| ROA | Recognized Operating Agency (ITU-T M 3000) | 公认的运营机构（ITU-T M 3000） |
| ROA | Regimental Officers Academy | 团军官学院 |
| ROA | Raman Optical Activity (Spectroscopy) | 拉曼光学活性（光谱学） |
| ROA | Record of Assembly | 装配记录 |
| ROA | Remotely Operated Aircraft | 遥控飞机 |
| ROA | Return On Assets | 资产回报率 |
| ROA | Research Opportunity Award | 研究机会奖 |
| ROA | Received On Account | 分期收款 |
| ROA | Real Options Analysis | 实物期权分析 |
| ROA | Reorder Announcement | 重新排序公告 |
| ROA | Recursive Operability Analysis | 递归可操作性分析 |
| ROA | Roanoke, Virginia USA | 美国弗吉尼亚州罗阿诺克 |
| ROA | Romance (Other) | 浪漫（其他） |
| ROA | Radio Operators Authorization | 无线电操作员授权 |
| ROA | Radio Operator Authorization | 无线电操作员授权 |
| ROA | Red Oak Academies | 红橡树学院 |
| ROA | Relative Operational Atmosphere | 相对运行环境 |
| ROA | Riders Of Apocalypse | 天启骑士 |
| ROA | Regurgitant Orifice Area (cardiology) | 反流孔面积（心脏病学） |
| ROA | Region Occupancy Analysis | 区域占用率分析 |
| ROA | Rip Off Artist | 撕裂艺术家 |
| ROA | Remington Old Army (pistol) | 雷明顿旧陆军（手枪） |
| ROA | Rivers of America (Disneyland & Magic Kingdom) | 美国迪斯尼乐园的河流和魔法王国) |
| ROA | Reliability Output Algorithm | 可靠性输出算法 |
| ROA | Reimbursable Obligation Authority | 可偿还债务授权 |
| ROA | Reciprocal of America | 美国互惠 |
| ROA | Realms of Adventure (game) | 冒险王国（游戏） |
| ROA | Read Only Area | 只读区域 |
| ROA | Return On Average | 平均回报率 |
| ROA | Restricted Operations Area (military) | 限制作业区（军事） |
| ROA | Reeks of Awesomeness (online slang) | Reeks of Awesmeness（网络俚语） |
| ROA | Right Occiput Anterior | 右枕骨前部 |
| ROA | Report(s) Of Audit | 审计报告 |
| ROA | Russkaya Osvoboditel'naya Armiya (Russian: Russian Liberation Army) | Russkaya Osvoboditel 'naya Armiya(俄罗斯:俄罗斯解放军) |
| ROA | Record of Achievement | 成就记录 |
| ROA | Research Opportunity Announcement | 研究机会公告 |
| ROA | Right Occipito Anterior (fetal position) | 右枕前（胎儿位置） |