USPI
| Acronym | Definition |
|---|---|
| USPI | United Surgical Partners International |
| USPI | US Protection and Investigations |
| USPI | United States-Philippine Islands |
| USPI | Unidentified Skin Parasite Infection |
| USPI | United States Package Inserts |
| USPI | United States Private Investigators |
| USPI | United States Principal Investigator |
| USPI | United States Postal Inspector (USPIS) |