| TSPI | Technology Service Partners, Inc. | 技术服务合作伙伴公司。 |
| TSPI | Telecommunication Services Price Index | 电信服务价格指数 |
| TSPI | Tomsk State Pedagogical Institute (Hungary) | 托木斯克国立教育学院(匈牙利) |
| TSPI | Telephony Service Provider Interface | 电话服务提供商接口 |
| TSPI | Tulay Sa Pag-Unlad, Inc. | Tulay Sa Pag Unload公司。 |
| TSPI | Training, Simulation and Performance Improvement | 培训、模拟和性能改进 |
| TSPI | Time-bound Self-Purging Indicator | 时限自清除指示器 |
| TSPI | Total Suspended Particulate Inlet | 总悬浮颗粒物入口 |
| TSPI | Twin Star Productions, Inc. | 双星制作公司。 |
| TSPI | Temperate Sorter Preference Indicator | 温控分拣机偏好指示器 |
| TSPI | Temporal Speckle Pattern Interferometry | 时间散斑干涉术 |
| TSPI | Time-Space-Position Information | 时空位置信息 |
| TSPI | Tribal Sovereignty Protection Initiative | 部落主权保护倡议 |
| TSPI | Toe Systolic blood Pressure Index | 脚趾收缩压指数 |
| TSPI | Tsukiden Software Philippines, Inc. (Pasig City, Philippines) | Tsukiden Software Philippines,Inc.(菲律宾帕西格市) |
| TSPI | Transaction Service Provider Interface | 事务服务提供程序接口 |
| TSPI | Introductory Team Software Process (Software Engineering Institute) | 介绍性团队软件过程(软件工程研究所) |
| TSPI | Topeka Storage Pool, Inc. | Topeka Storage Pool,Inc.公司。 |