| USIT | Unit Share Investment Trust | 单位股投资信托 |
| USIT | Unified Structured Inventive Thinking | 统一结构化创造性思维 |
| USIT | UllevÅl Sykehus It (Norwegian) | UllevÅl Sykehus It (Norwegian) |
| USIT | U S Interactive, Inc. | 美国互动公司。 |
| USIT | University Of Sheffield Information Technology | 谢菲尔德信息技术大学 |
| USIT | University School Of Information Technology | 大学信息技术学院 |