| USIP | Unit Self-Inspection Program | 机组自检计划 |
| USIP | University of the Sciences in Philadelphia | 费城科学大学 |
| USIP | United States Institute of Peace | 美国和平研究所 |
| USIP | United States Innovation Partnership | 美国创新伙伴关系 |
| USIP | Uniformed Services Identification and Privilege | 制服服务标识和特权 |