| SITS | Southern Indiana Transit System | 印第安纳州南部交通系统 |
| SITS | System Imaging Toolkit for Solaris | Solaris系统映像工具包 |
| SITS | System Integration Test Stand | 系统集成测试台 |
| SITS | Standing in the Shadows (book) | 站在阴影中（书） |
| SITS | Secure Imagery Transmission System | 安全图像传输系统 |
| SITS | Spirit in the Sky (Norman Greenbaum song) | 天空中的精神（诺曼·格林鲍姆歌曲） |
| SITS | Science Instrument Test Set | 科学仪器测试装置 |
| SITS | System Integration Test Station | 系统集成测试站 |
| SITS | Sing in the Shower | 沐浴中歌唱 |
| SITS | Science Instrument Test System | 科学仪器测试系统 |
| SITS | Software and Information Technology Services | 软件和信息技术服务 |
| SITS | Supraspinatus, Infraspinatus, Teres Minor, Subscapularis (rotator cuff muscles) | 上棘肌、下棘肌、小特雷斯肌、肩胛下肌（肩袖肌） |
| SITS | Soccer In The Streets | 街头足球 |
| SITS | Scitor International Telecommunications Services Inc (SITA) | Scitor国际电信服务公司（SITA） |
| SITS | Strategic Information Technology Services | 战略信息技术服务 |