| RTI | Roof Tile Institute | 屋顶瓷砖协会 |
| RTI | Request To Import (shipping industry) | 进口申请(航运业) |
| RTI | Reverse Transcriptase Inhibitor | 逆转录酶抑制剂 |
| RTI | Runtime Infrastructure (1999 Defense Technology Area Plan for Information Systems Technology, Chapter III) | 运行时基础设施(1999年信息系统技术国防技术领域计划,第三章) |
| RTI | Real Time Interface | 实时接口 |
| RTI | Right to Information Act (India) | 《信息权法》(印度) |
| RTI | Regional Training Institute | 区域培训机构 |
| RTI | Refer to Input | 请参阅输入 |
| RTI | Route Index | 路线索引 |
| RTI | Radio-Technology-Independent | 无线电技术独立 |
| RTI | Radar Target Identification | 雷达目标识别 |
| RTI | Relative Temperature Index | 相对温度指数 |
| RTI | Receiver Transmitter Interface | 接收机-发射机接口 |
| RTI | Real Time Information | 实时信息 |
| RTI | Reclamecode Voor Telefonische Informatiediensten (Dutch) | Reclamecode Voor Telefonische Informatiediensten(荷兰语) |
| RTI | Radiodiffusion TÉlÉvision Ivoirienne (Abidjan, Ivory Coast) | Radiodiffusion TÉlÉvision Ivoirienne (Abidjan, Ivory Coast) |
| RTI | Real Time Intelligence | 实时智能 |
| RTI | Research Triangle Institute | 三角研究所 |
| RTI | Relational Technology Incorporated | 关系技术公司 |
| RTI | Respiratory Tract Infection | 呼吸道感染 |
| RTI | Right To Information | 知情权 |
| RTI | Right Touch Industries | 右触摸行业 |
| RTI | Reprographic Technologies, Inc. (Milwaukee, WI) | 复印技术公司(威斯康星州密尔沃基) |
| RTI | Ready to Install | 准备好安装 |
| RTI | respiratory tract involvement | 呼吸道受累 |
| RTI | RTI International Metals, Inc. | RTI国际金属公司。 |
| RTI | Run Time Infrastructure | 运行时基础结构 |
| RTI | Ramp Travel Index | 斜坡行程指数 |
| RTI | Race Tuned Imports | 种族调整进口 |
| RTI | Roadway Type Identifier | 道路类型标识符 |
| RTI | Radio Taipei International | 台北国际广播电台 |
| RTI | Rural Technology Initiative | 农村技术倡议 |
| RTI | Research Technologies International (Lincolnwood, Illinois) | 国际研究技术公司(伊利诺伊州林肯伍德) |
| RTI | Referred to the Input | 参考输入 |
| RTI | Respiratory Tract Infections | 呼吸道感染 |
| RTI | Response Time Index (fire sprinklers) | 响应时间指数(消防喷头) |
| RTI | UL test - Relative Thermal Index | UL测试-相对热指数 |
| RTI | Remote Technologies, Inc. | 远程技术公司。 |
| RTI | Road Transport Informatics | 道路运输信息学 |
| RTI | Radio Technical Institute | 无线电技术研究所 |
| RTI | Real Time Infrastructure | 实时基础设施 |
| RTI | Rebuilding Together, Inc. | 共同重建公司。 |
| RTI | Run Time Interconnect | 运行时互连 |
| RTI | Ramp Travel Index (4x4) | 斜坡行程指数(4x4) |
| RTI | Range-Time Intensity | 范围时间强度 |
| RTI | Real Time Interruption | 实时中断 |
| RTI | Reproductive Tract Infection | 生殖道感染 |
| RTI | Road and Traffic Information (Volvo) | 道路和交通信息(沃尔沃) |
| RTI | Remote Tactical Information | 远程战术信息 |
| RTI | Real-Time Infrastructure | 实时基础设施 |
| RTI | Response to Intervention (education) | 干预反应(教育) |
| RTI | Reflection Transformation Imaging | 反射变换成像 |
| RTI | Residency Training Initiative | 派驻培训计划 |
| RTI | Road Traffic Incident | 道路交通事故 |
| RTI | Refuge Trust International | 国际避难信托 |
| RTI | Recycle Technologies International (Labelle, FL) | 国际回收技术公司(佛罗里达州Labelle) |
| RTI | Return from Interrupt (assembly language) | 从中断返回(汇编语言) |
| RTI | Release to Implementation | 发布到实施 |
| RTI | Real Time Interface (GCCS) | 实时接口(GCCS) |
| RTI | Real-Time Innovations, Inc (Sunnyvale, CA) | Real Time Innovations,Inc(加利福尼亚州森尼维尔) |
| RTI | Real Time Integration | 实时集成 |
| RTI | Run Time Interface | 运行时界面 |