| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Black Rock | city | Utah | United States | 38.72 | -112.97 | 5029 | |
| Blackburn | city | Utah | United States | 40.66 | -111.81 | 5029 | |
| Blackburns | city | Utah | United States | 41.21 | -111.96 | 4488 | |
| Blackjack Lodge Condominiums | city | Utah | United States | 40.58 | -111.65 | 9228 | |
| Blackjack Village Condominiums | city | Utah | United States | 40.58 | -111.65 | 9228 | |
| Blaine | city | Utah | United States | 40.76 | -111.93 | 4258 | |
| Blair | city | Utah | United States | 40.74 | -113.98 | 4209 | |
| Blake Heights | city | Utah | United States | 40.64 | -111.95 | 4419 | |
| Blake Holley | city | Utah | United States | 41.31 | -111.85 | 5308 | |
| Blanding | city | Utah | United States | 37.62 | -109.48 | 6013 | |
| Bloom | city | Utah | United States | 38.93 | -112.81 | 5029 | |
| Bloomington | city | Utah | United States | 37.05 | -113.61 | 2598 | |
| Bloomington Hills | city | Utah | United States | 37.06 | -113.56 | 2683 | |
| Blue Creek | city | Utah | United States | 41.86 | -112.46 | 5029 | |
| Blue Grass Acres | city | Utah | United States | 40.63 | -111.85 | 4530 | |
| Blue Haven Place | city | Utah | United States | 40.67 | -111.97 | 4379 | |
| Blue Ribbon Acres | city | Utah | United States | 40.67 | -111.83 | 4435 | |
| Blue Spruce | city | Utah | United States | 40.66 | -111.81 | 5029 | |
| Blue Spruce Heights | city | Utah | United States | 40.66 | -111.81 | 5029 | |
| Blue Star Meadows | city | Utah | United States | 40.57 | -111.88 | 4517 | |
| Blueacre | city | Utah | United States | 38.49 | -113.13 | 5869 | |
| Bluebell | city | Utah | United States | 40.36 | -110.22 | 6115 | |
| Bluff | city | Utah | United States | 37.28 | -109.55 | 4363 | |
| Bluff Road | city | Utah | United States | 41.07 | -112.05 | 4199 | |
| Bluff at Hidden Valley | city | Utah | United States | 40.53 | -111.85 | 4599 | |
| Bluffdale | city | Utah | United States | 40.49 | -111.94 | 4419 |