Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Union Canyon School (historical) | School | 2028 | Nye | 38 52 07 N | 117 36 34 W |
| Union Consolidated Mine | Mine | 1868 | Storey | 39 19 04 N | 119 38 49 W |
| Union Gulch | Valley | | Elko | 41 40 49 N | 115 30 37 W |
| Union Hill | Summit | 2467 | Lander | 39 28 13 N | 117 02 48 W |
| Union Mill | Locale | 1544 | Lyon | 39 15 49 N | 119 38 26 W |
| Union Mill | Locale | 1781 | Storey | 39 17 26 N | 119 39 27 W |
| Union Mill (historical) | Locale | 2268 | Mineral | 38 17 14 N | 118 54 03 W |
| Union Mine | Mine | 720 | Clark | 36 07 02 N | 114 12 27 W |
| Union Mine | Mine | 1988 | Humboldt | 41 49 46 N | 117 34 37 W |
| Union Mine | Mine | 2408 | Nye | 38 53 46 N | 117 33 05 W |
| Union Mine | Mine | 1500 | Washoe | 39 20 53 N | 119 47 19 W |
| Union Mines Post Office (historical) | Post Office | 1958 | Eureka | 40 10 03 N | 116 01 30 W |
| Union Mining District | Civil | 2136 | Eureka | 40 09 47 N | 116 02 21 W |
| Union Mining District | Civil | 2442 | Nye | 38 53 35 N | 117 32 12 W |
| Union Mountain | Summit | 2415 | Elko | 40 11 26 N | 116 00 45 W |
| Union Number Two Mine | Mine | 2025 | Lander | 39 29 36 N | 117 04 10 W |
| Union Pacific Quarry | Mine | 1396 | Lincoln | 37 38 03 N | 114 31 12 W |
| Union Pacific Station | Locale | 619 | Clark | 36 10 20 N | 115 08 50 W |
| Union Pass | Gap | 2429 | Nye | 38 53 36 N | 117 33 05 W |
| Union Post Office (historical) | Post Office | 2072 | Nye | 38 52 19 N | 117 35 56 W |
| Union Rodgers Canal | Canal | 1204 | Pershing | 40 07 47 N | 118 28 34 W |
| Union School (historical) | School | 1204 | Churchill | 39 25 04 N | 118 45 53 W |
| Union Series Mine | Mine | 1710 | Humboldt | 40 59 22 N | 117 47 07 W |
| Union Shaft | Mine | 2083 | Lander | 39 29 13 N | 117 03 47 W |
| Union Shaft | Mine | 1837 | Storey | 39 18 60 N | 119 38 21 W |
| Union Spring | Spring | 2152 | Elko | 41 22 35 N | 115 28 01 W |
| Union Spring | Spring | 1936 | Elko | 41 16 33 N | 115 24 09 W |
| Union Spring Number Eight | Spring | 1892 | Elko | 41 32 39 N | 115 19 43 W |
| Union Spring Three | Spring | 2028 | Elko | 41 24 26 N | 115 21 56 W |
| Union Spring Two | Spring | 2001 | Elko | 41 19 44 N | 115 28 11 W |
| Union Summit | Summit | 2060 | Eureka | 40 10 51 N | 116 01 59 W |
| Union Township | Civil | 1480 | Humboldt | 40 59 13 N | 117 45 54 W |
| Union Tunnel | Mine | 2268 | Mineral | 38 17 14 N | 118 54 03 W |
| Unionville | Populated Place | 1543 | Pershing | 40 26 44 N | 118 07 15 W |
| Unionville Mining District | Civil | 1892 | Pershing | 40 26 31 N | 118 08 53 W |
| Unionville Post Office | Post Office | 1543 | Pershing | 40 26 44 N | 118 07 15 W |
| Unionville School (historical) | School | 1539 | Pershing | 40 26 47 N | 118 07 11 W |
| United Cattle Ranch | Locale | 1517 | Nye | 38 11 33 N | 115 49 35 W |
| United Comstock Merger Mill | Locale | 1684 | Storey | 39 16 34 N | 119 39 55 W |
| United Mine | Mine | 1908 | Carson City (city) | 39 06 39 N | 119 37 04 W |
| United Mining Company Mine | Mine | 2037 | Carson City (city) | 39 06 31 N | 119 39 51 W |
| United States Bureau of Mines | Building | 1395 | Washoe | 39 32 40 N | 119 48 51 W |
| United States Fish Hatchery (historical) | Locale | 646 | Clark | 36 10 45 N | 115 11 11 W |
| United States Naval Gunnery Range (historical) | Military (Historical) | 1572 | Pershing | 40 29 30 N | 119 00 40 W |
| United Weepah and Western Mines Corporation Mines | Mine | 1877 | Esmeralda | 37 55 49 N | 117 33 34 W |
| University Baptist Academy | School | | Clark | 36 06 35 N | 115 08 00 W |
| University Farm Well | Well | 1369 | Washoe | 39 28 49 N | 119 47 47 W |
| University Gardens Shopping Center | Locale | 614 | Clark | 36 06 21 N | 115 08 13 W |
| University Medical Center | Hospital | 628 | Clark | 36 09 34 N | 115 10 02 W |
| University Medical Center-Southern Nevada Heliport | Airport | 627 | Clark | 36 09 36 N | 115 09 59 W |
| University of Nevada | School | 1391 | Washoe | 39 32 30 N | 119 48 54 W |
| University of Nevada (historical) | School | 1553 | Elko | 40 50 19 N | 115 45 42 W |
| University of Nevada Experimental Farm | Locale | 1370 | Washoe | 39 32 21 N | 119 48 21 W |
| University of Nevada Farm | School | 1340 | Washoe | 39 30 56 N | 119 44 28 W |
| University of Nevada-Las Vegas | School | 617 | Clark | 36 06 28 N | 115 08 30 W |
| University Plaza | Locale | 618 | Clark | 36 06 02 N | 115 08 19 W |
| University Station Post Office | Post Office | 1391 | Washoe | 39 32 16 N | 119 49 05 W |
| University Village East Shopping Center | Locale | 1390 | Washoe | 39 33 24 N | 119 47 28 W |
| Unnamed Wash | Stream | | Clark | 35 06 54 N | 114 38 18 W |
| UNR Gund Ranch Airport | Airport | 1732 | Lander | 39 51 55 N | 116 35 39 W |
| Updike Mine | Mine | 1494 | Washoe | 39 33 30 N | 119 50 24 W |
| Upper Adobe Spring | Spring | 1471 | Washoe | 40 07 53 N | 119 46 43 W |
| Upper Ash Spring | Spring | 1546 | Lincoln | 37 34 04 N | 114 27 51 W |
| Upper Bassie Canyon Spring | Spring | 2447 | Churchill | 39 27 05 N | 117 39 01 W |
| Upper Bastian Spring | Spring | 2260 | White Pine | 39 09 18 N | 114 34 47 W |
| Upper Benton Spring | Spring | 1837 | Mineral | 38 36 58 N | 118 11 21 W |
| Upper Black Canyon Dam Site (historical) | Locale | 334 | Clark | 36 00 57 N | 114 44 16 W |
| Upper Black Canyon Spring | Spring | 1760 | Pershing | 40 22 36 N | 118 30 56 W |
| Upper Blind Spring | Spring | 1694 | Nye | 38 28 47 N | 115 29 52 W |
| Upper Burnt Canyon Spring | Spring | 2131 | Lincoln | 38 17 16 N | 114 11 60 W |
| Upper Cardelli Ditch | Canal | 1312 | Lyon | 39 16 54 N | 119 32 17 W |
| Upper Charlebois Ditch | Canal | 1427 | Lyon | 38 45 15 N | 119 00 07 W |
| Upper Cherry Spring | Spring | 2119 | White Pine | 40 03 48 N | 115 37 16 W |
| Upper Chimney Spring | Spring | 2060 | Elko | 41 52 53 N | 114 24 22 W |
| Upper Clover Ranch | Locale | 1425 | Elko | 41 10 06 N | 116 55 45 W |
| Upper Cole Camp Springs | Spring | 2123 | Lander | 39 13 26 N | 117 25 38 W |
| Upper Cone Springs | Spring | 600 | Lincoln | 36 54 52 N | 114 39 42 W |
| Upper Corral | Locale | 2463 | Nye | 38 46 36 N | 117 22 05 W |
| Upper Cottonwood Spring | Spring | 1923 | Pershing | 40 22 11 N | 117 33 41 W |
| Upper Cowcamp Spring | Spring | 1676 | Esmeralda | 37 37 34 N | 117 46 06 W |
| Upper Coyote Reservoir | Reservoir | 1782 | Washoe | 40 54 12 N | 119 41 59 W |
| Upper Coyote Spring | Spring | 1737 | Washoe | 40 54 16 N | 119 42 45 W |
| Upper Crow Creek Spring | Spring | 2044 | Humboldt | 41 58 56 N | 118 25 31 W |
| Upper Davis Spring | Spring | 2305 | Eureka | 39 12 43 N | 116 12 29 W |
| Upper Deadman Spring | Spring | 1986 | Clark | 36 37 08 N | 115 16 24 W |
| Upper Deadman Spring | Spring | 1910 | Elko | 41 14 43 N | 114 41 32 W |
| Upper Dry Creek Spring | Spring | 2300 | Eureka | 39 53 57 N | 116 16 27 W |
| Upper Dry Susie Spring | Spring | 1891 | Elko | 40 51 13 N | 115 54 39 W |
| Upper Dry Valley | Valley | | Washoe | 39 58 17 N | 119 50 39 W |
| Upper Fairview Spring | Spring | 1938 | Lincoln | 38 11 10 N | 114 39 52 W |
| Upper Fish Lake | Lake | 1977 | Nye | 38 41 26 N | 116 27 09 W |
| Upper Foxtail Lake | Reservoir | 1186 | Churchill | 39 33 29 N | 118 28 46 W |
| Upper Gimmel Field | Area | 1369 | Lander | 40 41 58 N | 116 58 11 W |
| Upper Government Wash Cove | Bay | 367 | Clark | 36 07 33 N | 114 49 50 W |
| Upper Gulch Spring | Spring | 2476 | White Pine | 39 51 57 N | 114 39 37 W |
| Upper Gypsum Wash Cove | Bay | 367 | Clark | 36 07 22 N | 114 51 27 W |
| Upper High Rock Canyon | Valley | | Washoe | 41 30 17 N | 119 31 14 W |
| Upper Hot Creek Ranch | Locale | 1730 | Nye | 38 31 18 N | 116 21 49 W |
| Upper Hot Creek Ranch Spring | Spring | 1768 | Nye | 38 31 32 N | 116 22 03 W |
| Upper Indian Spring | Spring | 1784 | Lincoln | 37 27 09 N | 114 39 30 W |
| Upper Indian Spring | Spring | 1289 | Nye | 36 57 05 N | 116 48 19 W |
| Upper Indian Springs | Spring | 2003 | Washoe | 41 15 60 N | 119 53 03 W |
| Upper Jacobs Water Hole | Spring | 1829 | Humboldt | 41 48 57 N | 119 13 38 W |
| Upper Lake | Lake | 1194 | Churchill | 39 34 56 N | 118 40 42 W |
| Upper Latham Spring | Spring | 2201 | Elko | 40 35 23 N | 114 48 43 W |
| Upper Lehman Creek Campground | Locale | 2324 | White Pine | 39 00 48 N | 114 14 55 W |
| Upper Lime Mountain Well | Well | 1118 | Lincoln | 37 15 30 N | 114 07 30 W |
| Upper Long Gulch Spring | Spring | 2401 | White Pine | 39 51 56 N | 114 40 18 W |
| Upper Lost Camp Spring | Spring | 2024 | Elko | 41 12 24 N | 115 38 06 W |
| Upper Lower Jordan Valley Spring | Spring | 2196 | Lander | 39 30 42 N | 117 34 37 W |