| ITR | Instantaneous Transmission Rate | 瞬时传输速率 |
| ITR | Internet Talk Radio | 因特网无线对话 |
| ITR | Interpolation Timing Recovery | 插值定时恢复 |
| ITR | Information Technology Representative | 信息技术代表 |
| ITR | Integrated Technology Rotor | 综合科技回转轴 |
| ITR | Industry, Tourism and Resources (Australia) | 工业、旅游和资源（澳大利亚） |
| ITR | Information, Ticketing and Registration | 信息、票务和登记 |
| ITR | Information Technology Review | 信息技术评论 |
| ITR | Intermediate Care Nursery | 中级护理托儿所 |
| ITR | Income Tax Return | 所得税申报表 |
| ITR | Independent Telephone Research (California) | 独立电话研究（加利福尼亚州） |
| ITR | Institute of Tobacco Research | 烟草研究所 |
| ITR | Institut du Transport Routier (Belgium) | 交通常规研究所（比利时） |
| ITR | Innovative Technology Requirement (environment) | 创新技术要求（环境） |
| ITR | Internal Transfer Report | 内部转账报告 |
| ITR | Information Technology Resources | 信息技术资源 |
| ITR | Instrumented Test Range | 装有测量仪器的试验靶场 |
| ITR | Improved TARTAR Retrofit | 改进的TARTAR改装 |
| ITR | International Trade Resources LLC (Washington, DC) | 国际贸易资源有限责任公司（华盛顿特区） |
| ITR | Infantry Training Regiment | 步兵训练团 |
| ITR | Internet Telephone Router | Internet电话路由器 |
| ITR | Integrated Transmission Network Group | 综合传输网络组 |
| ITR | Insane Trail Riders | 疯狂的徒步旅行者 |
| ITR | Integra Type-R | Integra R型 |
| ITR | Intensive Training Regiment | 强化训练团 |
| ITR | Invitation To Register (Interest) | 注册邀请函（兴趣） |
| ITR | Integrated Test Requirements | 综合测试要求 |
| ITR | Internal Transfer Rate (Seagate) | 内部传输速率（Seagate） |
| ITR | Inside Texas Running (periodical) | 德克萨斯州内部跑步（定期） |
| ITR | Invisible Thread Reel (levitation magic tricks device) | 隐形螺纹卷轴（悬浮魔术装置） |
| ITR | Input Transaction Record | 输入交易记录 |
| ITR | Instrument Technical Room | 仪表技术室 |
| ITR | Ineligible to Re-Register (college) | 无资格重新注册（大学） |
| ITR | Inventory Turn Rate | 库存周转率 |
| ITR | Institute for Telecommunications Research (Adelaide, South Australia) | 电信研究所（南澳大利亚州阿德莱德） |
| ITR | Issue Tracking Request | 问题跟踪请求 |
| ITR | Intelligent Transaction Router (Delta) | 智能交易路由器（Delta） |
| ITR | Independent Technical Review | 独立技术审查 |
| ITR | Independent Tank Regiment | 独立坦克团 |
| ITR | Irrevocable Trust Receipt | 不可撤销信托收据 |
| ITR | Information Technology Research | 信息技术研究 |
| ITR | Internet Traffic Report | Internet流量报告 |
| ITR | Integra Type R (Acura automobile) | Integra Type R（讴歌汽车） |
| ITR | Intelligent Traffic Regulations | 智能交通规则 |
| ITR | intraocular tension recorder | 眼压记录仪 |