| TPO | telephoto | 电传照片，传真 |
| TPO | Thermoplastic Polyolefin | 熱塑性聚烯烴 |
| TPO | Transportation Planning Organization | 交通规划组织 |
| TPO | Telecommunications Project Office | 电信项目办公室 |
| TPO | Toshiba Philharmonic Orchestra | 东芝爱乐乐团 |
| TPO | Time and Place of Occurrence | 发生时间和地点 |
| TPO | Transmitter Power Output | 变送器功率输出 |
| TPO | Time, Place, and Occasion (appropriate clothing and behavior) | 时间、地点和场合（适当的服装和行为） |
| TPO | Tri-Service Medical Information System Program Office | 三军医疗信息系统项目办公室 |
| TPO | thrombopoietin | 血小板生成素 |
| TPO | thyroid peroxidase | 甲状腺过氧化物酶 |
| TPO | Thermal Plastic Olefin | 热塑性烯烃 |
| TPO | Twisted Pair Only | 仅双绞线 |
| TPO | Technical Publications Office | 技术出版物办公室 |
| TPO | TACSIM Program Office | TACSIM项目办公室 |
| TPO | Test Program Outline | 测试程序大纲 |
| TPO | THAAD Project Office | THAAD项目办公室 |
| TPO | Trade Paperback Original | 贸易平装原件 |
| TPO | Trade Promotion Optimization | 贸易促进优化 |
| TPO | Technical Project Officer | 技术项目官员 |
| TPO | Triple Pelvic Osteotomy | 三骨盆截骨术 |
| TPO | Travelling Post Office | 旅行邮局 |
| TPO | Town Police Officer | 镇警察 |
| TPO | THAAD (Theater High Altitude Area Defense) Project Office | 战区高空区域防御（THAAD）项目办公室 |
| TPO | Tele-Printer Operator | 远程打印机操作员 |
| TPO | Temporary Protective Order | 临时保护令 |
| TPO | Terminal Program Office | 终端程序办公室 |
| TPO | Topological Pre-Ordering | 拓扑预排序 |
| TPO | Test Program Office | 测试计划办公室 |
| TPO | Terminal Performance Objective | 终端性能目标 |
| TPO | Thermo Plastic Polyolefin (often applied to elastomers) | 热塑性聚烯烃（通常用于弹性体） |
| TPO | Technical Planning Objective | 技术规划目标 |
| TPO | Treatment Payment Operations | 治疗付款操作 |
| TPO | Thermoplastic Olefin | 热塑性烯烃 |
| TPO | Total Power Output | 总功率输出 |
| TPO | Tentative Program Objective | 初步计划目标 |
| TPO | The Program Object | 程序对象 |
| TPO | titanium potassium oxalate | 草酸钛钾 |
| TPO | Treatment, Payment, and Operations | 治疗、支付和运营 |
| TPO | tryptophan peroxidase | 色氨酸过氧化物酶 |
| TPO | Treatment Payment Options | 治疗付款选项 |
| TPO | Time, Place, and Occasion | 时间、地点和场合 |
| TPO | Third Party Only | 仅第三方 |
| TPO | Transfer Post Office | 中转邮局 |
| TPO | Third Party Operations | 第三方运营 |
| TPO | Telecommunications Program Objective | 电信项目目标 |
| TPO | TRADOC Project Office (US Army) | TRADOC项目办公室（美国陆军） |
| TPO | Traveling Post Office | 旅行邮局 |
| TPO | Tree Protection Order (UK) | 树木保护令（英国） |
| TPO | Terahertz-wave Parametric Oscillator | 太赫兹波参量振荡器 |
| TPO | Thermo-Plastic Polyolefin | 热塑性聚烯烃 |
| TPO | Tree Preservation Order (UK) | 树木保护令（英国） |
| TPO | Temporary Protection Order | 临时保护令 |
| TPO | Teleport Program Office | 电信项目办公室 |
| TPO | Total Power Optimization | 总功率优化 |
| TPO | Technical Program Office | 技术计划办公室 |
| TPO | Treatment, Payment & Operations (HIPAA) | 治疗、付款、操作(健康) |
| TPO | Transaction Processing Option | 事务处理选项 |
| TPO | Trainee Probation Officer (UK) | 见习感化官（英国） |
| TPO | Totally Pissed Off | 完全发火了 |
| TPO | Third Party Only (auto insurance) | 仅限第三方（汽车保险） |
| TPO | Trout Predator Online (website) | 鳟鱼捕食者在线（网站） |
| TPO | Temperature-Programmed Oxidation | 编程氧化温度 |
| TPO | Total Product Offer | 产品总报价 |
| TPO | Theatre Pipe Organ | 剧院管风琴 |