| Acronym | Definition |
|---|
| UHI➣Urban Heat Island |
| UHI➣Universal Handy Interface |
| UHI➣U-Haul International (various locations) |
| UHI➣Universal Health Insurance |
| UHI➣Unilever Health Institute |
| UHI➣University of the Highlands & Islands Millennium Institute (also seen as UHIMI; Inverness, Scotland) |
| UHI➣United Home Improvement (contractor network) |
| UHI➣United Hmong International, Inc |