Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Union Village Church | Church | 73 | Somerset | 40 39 56 N | 074 27 29 W |
| Unionburg | Populated Place | 33 | Union | 40 42 19 N | 074 16 53 W |
| Uniontown | Populated Place | 117 | Warren | 40 43 14 N | 075 08 26 W |
| Unionville | Populated Place | 10 | Atlantic | 39 31 37 N | 074 30 05 W |
| Unionville | Populated Place | 12 | Burlington | 40 00 19 N | 074 45 53 W |
| Unionville | Populated Place | 71 | Hunterdon | 40 25 43 N | 074 50 23 W |
| Unionville Cemetery | Cemetery | 37 | Somerset | 40 26 43 N | 074 41 57 W |
| Unisys Heliport | Airport | 32 | Middlesex | 40 22 15 N | 074 30 04 W |
| Unitarian Church In Summit | Church | 41 | Union | 40 43 08 N | 074 21 15 W |
| Unitarian Church of Montclair | Church | 41 | Essex | 40 48 55 N | 074 13 13 W |
| Unitarian Universalist Church | Church | 41 | Somerset | 40 34 04 N | 074 36 12 W |
| United Astronomy Clubs of New Jersey Observatory | Building | 314 | Warren | 40 54 24 N | 074 55 39 W |
| United Brotherhood Cemetery | Cemetery | 11 | Cape May | 39 14 32 N | 074 49 43 W |
| United Christian Ministries Church | Church | 354 | Warren | 41 58 56 N | 077 20 37 W |
| United Church | Church | 56 | Monmouth | 40 13 34 N | 074 25 47 W |
| United First Presbyterian Church | Church | 79 | Hunterdon | 40 26 28 N | 074 51 24 W |
| United Hebrew Association Cemetery | Cemetery | 38 | Middlesex | 40 31 38 N | 074 17 20 W |
| United Hebrew School | School | 13 | Hudson | 40 40 22 N | 074 06 53 W |
| United Holy Church of America | Church | 54 | Monmouth | 40 15 51 N | 074 16 52 W |
| United Hospitals Medical Center | Hospital | 41 | Essex | 40 45 24 N | 074 10 37 W |
| United Methodist Archives and History Center | Building | 41 | Morris | 40 45 42 N | 074 25 26 W |
| United Methodist Church of Gladstone | Church | 41 | Somerset | 40 43 30 N | 074 39 60 W |
| United Methodist Church of Johnsonburg | Church | 175 | Warren | 40 57 58 N | 074 52 32 W |
| United Methodist Church of Summit | Church | 41 | Union | 40 43 06 N | 074 21 40 W |
| United Pentecostal Latin Church | Church | 170 | Morris | 40 53 14 N | 074 33 16 W |
| United Presbyterian Church of Lyndhurst | Church | 41 | Bergen | 40 48 15 N | 074 07 19 W |
| United Reformed Church | Church | 41 | Somerset | 40 34 10 N | 074 36 52 W |
| United Reformed Church of Greenville | Church | 41 | Hudson | 40 41 45 N | 074 05 27 W |
| United States Equestrian Team Training Center | Locale | 41 | Somerset | 40 42 55 N | 074 40 49 W |
| United Synagogue of Hoboken | Church | 41 | Hudson | 40 44 19 N | 074 01 58 W |
| Unity Baptist Church | Church | 41 | Essex | 40 46 02 N | 074 13 47 W |
| Unity Freedom Baptist Church | Church | 41 | Essex | 40 43 53 N | 074 12 50 W |
| University Center | Building | 41 | Morris | 40 45 35 N | 074 25 32 W |
| University Center | Building | 41 | Union | 40 40 40 N | 074 14 05 W |
| University Chapel | Church | 62 | Mercer | 40 20 56 N | 074 39 24 W |
| University Heights-H D Morrison Elementary School | School | 31 | Mercer | 40 15 20 N | 074 40 22 W |
| University High School | School | 58 | Essex | 40 43 15 N | 074 12 40 W |
| University Middle School | School | 41 | Essex | 40 44 05 N | 074 13 19 W |
| University of Medicine and Dentistry of New Jersey | School | 34 | Middlesex | 40 31 29 N | 074 28 09 W |
| University of Medicine and Dentistry Rooftop Heliport | Airport | 47 | Essex | 40 44 26 N | 074 11 27 W |
| University Square Shopping Center | Locale | 40 | Mercer | 40 19 37 N | 074 38 27 W |
| Untermeyer Dam | Dam | 184 | Morris | 40 58 15 N | 074 20 11 W |
| Untermeyer Lake | Reservoir | 184 | Morris | 40 58 15 N | 074 20 11 W |
| Upland Thorofare | Channel | 0 | Cape May | 39 14 56 N | 074 38 01 W |
| Upper Aetna Lake | Reservoir | 18 | Burlington | 39 51 25 N | 074 47 54 W |
| Upper Aetna Lake Dam | Dam | 18 | Burlington | 39 51 25 N | 074 47 54 W |
| Upper Bay | Bay | -3 | Hudson | 40 40 10 N | 074 02 42 W |
| Upper Bear Swamp | Swamp | 17 | Mercer | 40 18 20 N | 074 39 12 W |
| Upper Blauvelt Lake | Reservoir | 131 | Bergen | 41 00 05 N | 074 13 45 W |
| Upper Blue Mountain Lake | Reservoir | 337 | Sussex | 41 06 15 N | 074 55 23 W |
| Upper Blue Mountain Lake Dam | Dam | 337 | Sussex | 41 06 15 N | 074 55 23 W |
| Upper Brothers Creek | Stream | | Atlantic | 39 17 26 N | 074 41 52 W |
| Upper Brothers Creek | Stream | | Cumberland | 39 11 43 N | 075 09 29 W |
| Upper Cliff Elementary School | School | 100 | Bergen | 40 52 34 N | 073 57 22 W |
| Upper Deep Creek | Gut | 1 | Salem | 39 25 34 N | 075 26 55 W |
| Upper Erskine Lake | Reservoir | 150 | Passaic | 41 05 49 N | 074 14 54 W |
| Upper Erskine Lake Dam | Dam | 150 | Passaic | 41 05 49 N | 074 14 54 W |
| Upper Greenwood Lake | Populated Place | 345 | Passaic | 41 10 54 N | 074 22 56 W |
| Upper Greenwood Lake | Reservoir | 333 | Passaic | 41 11 09 N | 074 22 17 W |
| Upper Greenwood Lake Dam | Dam | 333 | Passaic | 41 11 09 N | 074 22 17 W |
| Upper Highland Lake | Reservoir | 385 | Sussex | 41 10 43 N | 074 28 03 W |
| Upper Highland Lake Dam | Dam | 385 | Sussex | 41 10 43 N | 074 28 03 W |
| Upper Island | Island | 0 | Cape May | 39 06 22 N | 074 45 59 W |
| Upper Kesick Dam | Dam | 32 | Ocean | 39 56 56 N | 074 20 53 W |
| Upper Lake | Lake | 7 | Burlington | 39 59 49 N | 074 46 30 W |
| Upper Lake Mohawk | Lake | 244 | Sussex | 41 01 59 N | 074 39 35 W |
| Upper Longwood | Populated Place | 230 | Morris | 40 58 38 N | 074 32 44 W |
| Upper Macopin | Populated Place | 328 | Passaic | 41 05 06 N | 074 23 09 W |
| Upper Marlton Lake | Reservoir | 37 | Burlington | 39 48 15 N | 074 53 49 W |
| Upper Mill | Populated Place | 30 | Burlington | 39 54 45 N | 074 34 25 W |
| Upper Mohawk | Populated Place | 265 | Sussex | 41 01 52 N | 074 39 48 W |
| Upper Mohawk Lake | Reservoir | 247 | Sussex | 41 02 00 N | 074 39 47 W |
| Upper Mohawk Lake Dam | Dam | 247 | Sussex | 41 02 00 N | 074 39 47 W |
| Upper Montclair | Populated Place | 96 | Essex | 40 50 46 N | 074 12 05 W |
| Upper Montclair Country Club | Locale | 55 | Passaic | 40 50 51 N | 074 10 27 W |
| Upper Montclair Station | Locale | 103 | Essex | 40 50 31 N | 074 12 35 W |
| Upper Montvale | Populated Place | 113 | Bergen | 41 03 38 N | 074 03 08 W |
| Upper Morse Lake | Reservoir | 78 | Passaic | 41 01 07 N | 074 18 59 W |
| Upper Mount Glen Lake | Reservoir | 284 | Passaic | 41 04 18 N | 074 22 06 W |
| Upper Mount Glen Lake Dam | Dam | 284 | Passaic | 41 04 18 N | 074 22 06 W |
| Upper Pittsgrove School | School | 42 | Salem | 39 37 45 N | 075 12 06 W |
| Upper Pohatcong Mountain | Summit | 375 | Warren | 40 50 30 N | 074 51 41 W |
| Upper Pyne (historical) | Building | 61 | Mercer | 40 20 58 N | 074 39 37 W |
| Upper Reservoir Dam | Dam | 473 | Warren | 41 00 06 N | 075 02 41 W |
| Upper Rocky Point | Cape | 6 | Monmouth | 40 23 03 N | 073 59 41 W |
| Upper Saddle River | Populated Place | 67 | Bergen | 41 03 30 N | 074 05 55 W |
| Upper School Elementary School | School | 122 | Bergen | 40 53 37 N | 073 56 49 W |
| Upper Stokes Dam | Dam | 25 | Burlington | 39 50 44 N | 074 47 46 W |
| Upper Stokes Pond | Reservoir | 25 | Burlington | 39 50 44 N | 074 47 46 W |
| Upper Sunset Lake | Reservoir | 333 | Sussex | 41 01 44 N | 074 36 31 W |
| Upper Thorofare | Channel | 0 | Cape May | 38 57 58 N | 074 53 06 W |
| Upper Yards Creek Reservoir | Reservoir | 248 | Warren | 40 59 59 N | 075 01 50 W |
| Upsala College (historical) | School | 53 | Essex | 40 46 34 N | 074 12 34 W |
| Upshaw Temple Church of God | Church | 41 | Essex | 40 44 10 N | 074 12 36 W |
| Upton | Populated Place | 30 | Burlington | 39 56 05 N | 074 31 27 W |
| Uptown Station Hoboken Post Office | Post Office | 41 | Hudson | 40 45 10 N | 074 01 28 W |
| Uriah Branch | Stream | | Ocean | 39 38 00 N | 074 18 09 W |
| Uttertown | Populated Place | 349 | Passaic | 41 07 36 N | 074 24 59 W |
| Vail | Populated Place | 107 | Warren | 40 57 46 N | 075 01 13 W |
| Vail Memorial Cemetery | Cemetery | 92 | Morris | 40 51 59 N | 074 24 27 W |
| Vail School | School | 105 | Warren | 40 57 56 N | 075 01 12 W |
| Vail-Deane School for Girls | School | 8 | Union | 40 40 35 N | 074 12 55 W |
| Vailsburg Branch Newark Public Library | Building | 41 | Essex | 40 44 36 N | 074 13 31 W |
| Vailsburg Middle School | School | 64 | Essex | 40 44 17 N | 074 14 17 W |
| Vailsburg Park | Park | 47 | Essex | 40 44 30 N | 074 13 02 W |
| Vailsburg Station Newark Post Office | Post Office | 41 | Essex | 40 44 20 N | 074 13 51 W |
| Valentine | Populated Place | 33 | Middlesex | 40 31 51 N | 074 19 32 W |
| Valentine Brook | Stream | | Bergen | 41 01 38 N | 074 08 54 W |
| Valentine Pond | Lake | 115 | Bergen | 41 01 23 N | 074 12 02 W |
| Valleau Cemetery | Cemetery | 33 | Bergen | 40 59 16 N | 074 05 51 W |