| Term | Full Form | Category |
|---|---|---|
| USID | Unclassified Sudden Infant Death | Others |
| USID | Universities Scientometrics Information Database | Others |
| USID | University Student ID | Others |
| USID | Upper Silesian Industrial District | Others |
| USID | Usc Sipi Image Database | Others |
| USID | User Service Identifier | Others |