| RTO | ratio | 比率 |
| RTO | regional tourist organization | 区域旅游组织 |
| RTO | round trip operation | 往返作业 |
| RTO | Retransmission Time Out | 重传超时 |
| RTO | Ready to Order | 准备好订购 |
| RTO | Regional Transmission Organization | 区域传输组织 |
| RTO | Representative Task Order (government contracting) | 代表任务订单（政府合同） |
| RTO | Regenerative Thermal Oxidizer | 烧炉 |
| RTO | Regimental Tactical Officer (United States Military Academy) | 团战术军官（美国军事学院） |
| RTO | Regional Transport Office | 区域运输办公室 |
| RTO | Registered Training Organisation (Australia) | 注册培训机构（澳大利亚） |
| RTO | Reverse Take-Over | 反向接管 |
| RTO | Real-Time Output | 实时输出 |
| RTO | Research & Technology Organization | 研究及技术组织 |
| RTO | Roadranger, Twin Countershaft, Overdrive, (heavy truck transmission) | Roadgranger，双中间轴，超速档，（重型卡车变速器） |
| RTO | Regional Transportation Organization | 区域运输组织 |
| RTO | Regimental Training Officer | 团训练官 |
| RTO | Road Transport Office (India) | 道路运输办公室（印度） |
| RTO | Returned to Owner (lost or stolen items) | 归还给业主（丢失或被盗物品） |
| RTO | Recruit Training Officer | 招聘培训官 |
| RTO | Round-trip Time Out | 往返行程超时 |
| RTO | Return To One | 返回到一 |
| RTO | Retired Teachers of Ontario | 安大略省退休教师 |
| RTO | Return To Office | 返回办公室 |
| RTO | Release to Operations (date the project team no longer has primary responsibility) | 发布到运营部门（项目团队不再承担主要责任的日期） |
| RTO | Rent- To- Own | 出租给自己 |
| RTO | Recovery Time Objective | 恢复时间目标 |
| RTO | Real Time Ownage | 实时所有权 |
| RTO | Request to Operate | 请求操作 |
| RTO | Registered Training Organization | 注册培训机构 |
| RTO | Residents Technical Office | 居民技术办公室 |
| RTO | Radio Telephone Operator | 无线电话操作员 |
| RTO | Real Time Output | 实时输出 |
| RTO | Reverse Tool Order (wildland firefighting) | 反向工具顺序（野外消防） |
| RTO | Real-Time Oscillograph | 实时示波器 |
| RTO | Return Timed Out | 返回超时 |
| RTO | Request Time Off | 请求关闭时间 |
| RTO | Registered Training Authority | 注册培训机构 |
| RTO | Research and Training Organization | 研究和培训组织 |
| RTO | Regional Trial Court (Philippines) | 区域审判法院（菲律宾） |
| RTO | right toeoff | 右脚趾 |
| RTO | Range Training Officer | 靶场训练官 |
| RTO | Research and Technology Organization | 研究和技术组织 |
| RTO | Rail Transportation Officer | 铁路运输官员 |
| RTO | Railway Traffic Officer | 铁路交通官员 |
| RTO | Rapid Thermal Oxidation | 快速热氧化 |
| RTO | Really Terrible Orchestra (Scottish amature orchestra) | 真可怕的乐团（苏格兰爱情乐团） |
| RTO | Rapid Transit Operations | 快速交通运营 |
| RTO | Remote Transcoder Operation | 远程转码器操作 |
| RTO | Runners Team Omegna | 跑步队Omegna |
| RTO | Regional Training Office | 区域培训办公室 |
| RTO | Retransmission Timeout | 重新传输超时 |
| RTO | Rent-To-Own | 自有租金 |
| RTO | Radiation Therapy Oncology | 放射治疗肿瘤学 |
| RTO | Run-time object | 运行时对象 |
| RTO | Responsible Test Organization | 责任测试组织 |
| RTO | Return to Operations | 返回运行状态 |
| RTO | Rejected Take-Off | 拒绝起飞 |
| RTO | Return to Office (medical) | 返回办公室（医疗） |
| RTO | Radio/Telephone Operator | 广播/接线员 |
| RTO | Recovery Time Objective (disaster recovery) | 恢复时间目标（灾难恢复） |
| RTO | Reconnaissance Tasking Order | 侦察任务命令 |
| RTO | Radio Transmission Operator | 无线电传输操作员 |
| RTO | Report Time Over ... (location) | 报告超时时间…（位置） |