UIH
| Acronym | Definition |
|---|---|
| UIH | User Interface Compiler Header File |
| UIH | Universal Insurance Holdings, Inc. (est. 1990; Florida) |
| UIH | Union Industrial Home (now UIH Family Partners; Trenton, NJ; est. 1859) |
| UIH | Unnumbered Information with Header check |
| UIH | Urban Indian Health |
| UIH | Udruga Inovatora Hrvatske (Croatian: Association of Innovators) |
| UIH | Unilateral Inguinal Hernia |