| OPT | Options | 选择位置 |
| OPT | Optimized Production Technology | 最佳生产技术 |
| OPT | Output Transformer | 输出变压器 |
| OPT | Operational Pressure Transducer | 操作上的压力传感器 |
| OPT | Offshore Pipeline Technology | 海上管道技术 |
| OPT | Office des Postes et TÉlÉcommunications | Office des Postes et TÉlÉcommunications |
| OPT | Optoelectronic Physics and Technology (IEEE conference) | 光电子物理与技术(IEEE会议) |
| OPT | Overlegorgaan Post En Telecommunicatie (Dutch Consultative Committee Post and Telecommunication of the Ministry of V&W) | Overlegorgaan岗位En Telecommunicatie(荷兰谘询委员会委员邮电通信部门的V&W) |
| OPT | Ounces Per Tonne (mining) | 盎司\/吨(采矿) |
| OPT | Optimum | 最佳的 |
| OPT | Office des Postes et TÉlÉcommunications de Nouvelle-CalÉdonie (Office of Mail and Telecommunications, New | Office des Postes et TÉlÉcommunications de Nouvelle-CalÉdonie (Office of Mail and Telecommunications, New |
| OPT | Optional Practical Training | 可选实践培训 |
| OPT | Organization of Parents and Teachers | 家长和教师组织 |
| OPT | Orthopantomogram | 矫形断层图 |
| OPT | Oil Penetration Test | 油渗透试验 |
| OPT | Outpatient Physical Therapy | 门诊物理治疗 |
| OPT | Open Protocol Technology | 开放协议技术 |
| OPT | Optimization | 优化 |
| OPT | Optimize support file (QEMM) | 优化支持文件(QEMM) |
| OPT | Organizational Planning Technique | 组织规划技术 |
| OPT | Observation Participation And Teaching | 观察参与与教学 |
| OPT | Overprint (philately) | 套印(集邮) |
| OPT | Occupied Palestinian Territories | 巴勒斯坦被占领区 |
| OPT | Orange Port Terminal Railway | 橙色港口码头铁路 |
| OPT | Outpatient treatment | 门诊治疗 |
| OPT | Occupational Privilege Tax | 职业特权税 |
| OPT | Ontological Paradigm Technique | 本体论范式技术 |
| OPT | optometrist | 验光师 |
| OPT | Opticare Health Systems, Inc. | Opticare Health Systems公司。 |
| OPT | Optical Process Test | 光学工艺试验 |
| OPT | Outdoor Payment Terminal | 室外支付终端 |
| OPT | Outreach Project Tool (groupware software) | 外联项目工具(群件软件) |
| OPT | Other People's Time | 别人的时间 |
| OPT | Options (File Name Extension) | 选项(文件扩展名) |
| OPT | Operational Planning Team | 作战计划大队 |
| OPT | Options Pricing Theory (finance) | 期权定价理论(金融) |
| OPT | Oil Pressure Transmitter | 油压变送器 |
| OPT | Operations Planning Team | 作战计划大队 |
| OPT | Optional Modification | 可选修改 |
| OPT | Open Plug-In Technology | 开放式插件技术 |
| OPT | Options Power Trader (newsletter) | 期权电力交易者(时事通讯) |
| OPT | Onstreet Parking & Trees | Onstreet停车和树木 |
| OPT | Ocean Power Technologies (UK & USA) | 海洋能源技术(英国和美国) |
| OPT | Open-Shell Perturbation Theory | 开壳扰动理论 |
| OPT | Operations Planning Tool | 运营规划工具 |
| OPT | Ocean Pout (FAO species name code ) | 海洋袋(粮农组织物种名称代码) |
| OPT | Officer Physical Training | 军官体能训练 |
| OPT | Occupied Palestinian Territory | 被占领巴勒斯坦领土 |
| OPT | Organic Power Technologies Ltd (Victoria, BC, Canada) | 有机电力技术有限公司(加拿大不列颠哥伦比亚省维多利亚市) |