| Hawaii State Locator Citys, Towns, Villages, and Other beginning with the letter U |
| CITY/TOWN/VILLAGE/ETC. | LOCATED IN THIS TOWN | COUNTY |
| Ualapue | East Molokai | Maui |
| Ulaino | Hana | Maui |
| Ulumalu | Haiku-Pawwela | Maui |
| Ulupalakua | Makawao | Maui |
| Umikoa | Hamakua | Hawaii |
| Umipaa | East Molokai | Maui |
| Upper Village Three | Waihee | Maui |
| US Coast Guard Reservation | Honolulu | Honolulu |
| US Naval Reservation | Ewa | Honolulu |