Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Larkin Sunset Lawn Cemetery | Cemetery | 1460 | Salt Lake | 40 44 28 N | 111 49 25 W |
| Larrabee Creek | Stream | | Summit | 40 48 24 N | 111 02 51 W |
| Larry Canyon | Valley | | Wayne | 38 14 50 N | 110 29 33 W |
| Lars Fork | Stream | | Kane | 37 27 50 N | 112 40 32 W |
| Larsen Ditch | Canal | 3157 | Sanpete | 39 21 09 N | 111 24 49 W |
| Larsen Ditch | Canal | 1872 | Uintah | 40 28 09 N | 109 58 24 W |
| Larsen Estates (subdivision) | Populated Place | 1345 | Salt Lake | 40 41 16 N | 112 01 55 W |
| Larsen Heights (subdivision) | Populated Place | 1380 | Davis | 40 53 01 N | 111 52 10 W |
| Larsen Hollow | Valley | | Duchesne | 40 28 37 N | 110 49 24 W |
| Larsen Point | Cape | 1456 | Davis | 41 08 04 N | 111 53 54 W |
| Larsen School | School | 1438 | Utah | 40 06 23 N | 111 38 08 W |
| Larson (subdivision) | Populated Place | 1295 | Salt Lake | 40 43 41 N | 111 53 33 W |
| Larson Cabin | Locale | 2321 | Washington | 37 27 14 N | 113 08 07 W |
| Larson Dam | Dam | 1897 | Rich | 41 43 01 N | 111 05 10 W |
| Larson Ditch | Canal | 1597 | Sanpete | 39 09 39 N | 111 44 58 W |
| Larson Park (subdivision) | Populated Place | 1431 | Weber | 41 19 13 N | 111 58 02 W |
| Larson Ranch | Locale | 1737 | Emery | 39 05 36 N | 111 02 21 W |
| Larson Spring | Spring | 2770 | Kane | 37 31 20 N | 112 47 56 W |
| Larson Spring | Spring | 1914 | Rich | 41 42 57 N | 111 04 24 W |
| Larson Tunnel | Tunnel | 3141 | Sanpete | 39 20 42 N | 111 26 43 W |
| Larvae Lake | Lake | 3055 | Duchesne | 40 40 30 N | 110 02 20 W |
| LaSal Mountain Loop Road Auto Tour | Locale | 2381 | San Juan | 38 29 43 N | 109 19 20 W |
| LaSal Pass Mine | Mine | 2747 | San Juan | 38 25 58 N | 109 16 46 W |
| LaSalle Acres (subdivision) | Populated Place | 1318 | Salt Lake | 40 38 25 N | 111 54 28 W |
| Lasson Draw Wildlife Management Area | Park | 1945 | Utah | 39 50 30 N | 111 29 41 W |
| Lasson Spring | Spring | 2081 | Utah | 39 50 42 N | 111 28 37 W |
| Last Camp | Locale | 1721 | Salt Lake | 40 46 44 N | 111 43 44 W |
| Last Chance | Mine | 2059 | Juab | 39 54 45 N | 112 05 56 W |
| Last Chance Bay | Bay | 1129 | Kane | 37 06 27 N | 111 16 07 W |
| Last Chance Bench | Bench | 1950 | Beaver | 38 21 04 N | 112 36 37 W |
| Last Chance Benches | Bench | 1667 | Emery | 39 19 17 N | 110 06 03 W |
| Last Chance Canal | Canal | 1975 | Beaver | 38 20 21 N | 112 35 44 W |
| Last Chance Canyon | Valley | | Emery | 39 19 01 N | 110 03 36 W |
| Last Chance Canyon | Valley | | Iron | 37 38 32 N | 112 57 09 W |
| Last Chance Creek | Stream | | Kane | 37 10 41 N | 111 20 57 W |
| Last Chance Creek | Stream | | Sevier | 38 37 59 N | 111 20 53 W |
| Last Chance Desert | Plain | 1817 | Sevier | 38 36 37 N | 111 18 20 W |
| Last Chance Ditch | Canal | 1869 | Sanpete | 39 29 11 N | 111 27 52 W |
| Last Chance Gas Field | Oilfield | 1818 | Emery | 38 32 41 N | 111 12 22 W |
| Last Chance Hollow | Valley | | Beaver | 38 23 32 N | 112 30 42 W |
| Last Chance Ranch | Locale | 1833 | Sevier | 38 37 37 N | 111 20 43 W |
| Last Chance Ranch | Locale | 1328 | Tooele | 40 19 52 N | 113 53 43 W |
| Last Chance Rapids | Rapids | 1292 | Emery | 39 18 58 N | 110 03 30 W |
| Last Chance Rapids | Rapids | 1276 | Grand | 38 59 12 N | 109 09 47 W |
| Last Chance Wash | Valley | | Wayne | 38 28 52 N | 111 05 35 W |
| Last Chance Well | Well | 1818 | Emery | 38 35 07 N | 111 05 09 W |
| Last Water | Stream | | Sevier | 39 01 43 N | 111 19 21 W |
| Lateral Number 1 | Canal | 2230 | Duchesne | 40 26 08 N | 110 23 52 W |
| Lateral Number 1 | Canal | 1881 | Duchesne | 40 27 09 N | 110 01 16 W |
| Lateral Number 2 | Canal | 2191 | Duchesne | 40 24 29 N | 110 24 08 W |
| Lateral Number 2 | Canal | 1774 | Duchesne | 40 24 34 N | 110 01 46 W |
| Lateral Number 2 1/2 | Canal | 1880 | Duchesne | 40 26 56 N | 110 02 06 W |
| Lateral Number 3 | Canal | 1898 | Duchesne | 40 27 19 N | 110 02 24 W |
| Lateral Number 3 | Canal | 2065 | Duchesne | 40 21 45 N | 110 23 22 W |
| Lateral Number 4 | Canal | 1877 | Duchesne | 40 26 26 N | 110 03 15 W |
| Lateral Number 4 | Canal | 1912 | Duchesne | 40 27 10 N | 110 02 60 W |
| Lateral Number 5 | Canal | 1615 | Duchesne | 40 13 13 N | 110 11 43 W |
| Lateral Number 5 | Canal | 1853 | Duchesne | 40 25 56 N | 110 03 33 W |
| Lathrop Canyon | Valley | | San Juan | 38 21 48 N | 109 46 28 W |
| Lathrop Canyon | Valley | | San Juan | 38 22 10 N | 109 46 26 W |
| Latimer | Populated Place | 1547 | Iron | 38 06 01 N | 113 18 57 W |
| Latimer Point | Summit | 2046 | Utah | 40 26 04 N | 112 00 52 W |
| Latin American Assembly of God Church | Church | 1287 | Salt Lake | 40 46 13 N | 111 55 15 W |
| Latite Ridge | Ridge | 1917 | Utah | 39 55 47 N | 112 02 50 W |
| Latter Day Saints Church Records Storage Area | Locale | 1812 | Salt Lake | 40 34 24 N | 111 45 47 W |
| Latter Day Saints Hospital | Hospital | 1406 | Salt Lake | 40 46 44 N | 111 52 47 W |
| Latuda | Populated Place | 2093 | Carbon | 39 42 14 N | 110 56 46 W |
| Laub Reservoir | Reservoir | 1145 | Washington | 37 07 24 N | 113 45 52 W |
| Laura Park (subdivision) | Populated Place | 1318 | Salt Lake | 40 39 52 N | 111 52 09 W |
| Laurel Chase Acres (subdivision) | Populated Place | 1348 | Salt Lake | 40 31 25 N | 111 56 08 W |
| Laurel Estates (subdivision) | Populated Place | 1371 | Salt Lake | 40 35 23 N | 111 52 45 W |
| Laurel Lea (subdivision) | Populated Place | 1325 | Weber | 41 10 56 N | 112 02 57 W |
| Laurel Ridge (subdivision) | Populated Place | 1426 | Salt Lake | 40 34 53 N | 111 59 14 W |
| Lava Dam | Cliff | 1665 | Millard | 38 50 10 N | 113 20 54 W |
| Lava Desert | Plain | 2909 | Iron | 37 35 12 N | 112 45 51 W |
| Lava Lake | Lake | 2880 | Wayne | 38 14 02 N | 111 30 34 W |
| Lava Point | Cape | 2354 | Washington | 37 22 60 N | 113 01 41 W |
| Lava Point Campground | Locale | 2384 | Washington | 37 23 02 N | 113 01 46 W |
| Lava Point Trail | Trail | 2248 | Washington | 37 21 18 N | 113 02 26 W |
| Lava Ridge | Ridge | 1580 | Millard | 38 45 59 N | 112 40 56 W |
| Lava Ridge | Ridge | 1466 | Washington | 37 13 30 N | 113 35 50 W |
| Lava Spring | Spring | 2740 | Garfield | 38 07 50 N | 111 35 21 W |
| Lavell | Populated Place | 1312 | Weber | 41 10 33 N | 112 03 44 W |
| Lavender Canyon | Valley | | Iron | 37 38 45 N | 112 50 38 W |
| Lavender Creek | Stream | | San Juan | 38 06 23 N | 109 36 55 W |
| Lavender Point | Cliff | 1697 | San Juan | 37 59 23 N | 109 40 51 W |
| Lavina Creek | Stream | | Wasatch | 40 33 37 N | 111 31 39 W |
| LaVista Park (subdivision) | Populated Place | 1339 | Davis | 40 53 40 N | 111 52 31 W |
| Lawndale Addition (subdivision) | Populated Place | 1350 | Weber | 41 11 45 N | 112 00 11 W |
| Lawrence | Populated Place | 1727 | Emery | 39 17 44 N | 110 55 45 W |
| Lawrence Cemetery | Cemetery | 1723 | Emery | 39 17 54 N | 110 55 28 W |
| Lawrence Estates (subdivision) | Populated Place | 1356 | Salt Lake | 40 34 35 N | 111 56 33 W |
| Lawson Cove | Valley | | Millard | 38 40 12 N | 113 26 45 W |
| Lawson Cove Canyon | Valley | | Millard | 38 38 12 N | 113 33 14 W |
| Lawson Cove Reservoir | Reservoir | 1557 | Millard | 38 41 44 N | 113 26 21 W |
| Layout Canyon | Valley | | Wasatch | 40 18 09 N | 111 00 56 W |
| Layout Tunnel | Canal | 2642 | Wasatch | 40 17 11 N | 111 01 57 W |
| Layrelwood Estates | Populated Place | 1339 | Salt Lake | 40 38 55 N | 111 50 23 W |
| Layton | Populated Place | 1327 | Davis | 41 03 37 N | 111 58 16 W |
| Layton (subdivision) | Populated Place | 1333 | Davis | 41 01 52 N | 111 56 05 W |
| Layton Community Church | Church | 1360 | Davis | 41 04 25 N | 111 57 09 W |
| Layton Creek | Stream | | Morgan | 41 10 43 N | 111 37 38 W |
| Layton Elementary School | School | 1325 | Davis | 41 03 35 N | 111 58 20 W |
| Layton High School | School | 1338 | Davis | 41 03 55 N | 111 57 34 W |
| Layton Hills Baptist Church | Church | 1358 | Davis | 41 04 46 N | 111 58 23 W |
| Layton Hills Mall Convenience Center | Locale | 1358 | Davis | 41 04 48 N | 111 58 30 W |
| Layton Industrial Park | Locale | 1333 | Davis | 41 04 20 N | 111 59 35 W |
| Layton Meadows Condominium | Populated Place | 1361 | Davis | 41 04 54 N | 111 58 33 W |
| Layton Park (subdivision) | Populated Place | 1375 | Davis | 41 06 22 N | 112 00 49 W |
| Layton Park Plaza Condominium | Populated Place | 1330 | Davis | 41 03 39 N | 111 57 44 W |