Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Nome Ranch | Locale | 1557 | Madison | 45 35 25 N | 111 22 44 W |
| Nomland Dam | Dam | 740 | McCone | 47 44 13 N | 106 08 50 W |
| Nomland Dam | Dam | 741 | McCone | 47 44 12 N | 106 08 50 W |
| Non Pareil Park | Park | 2320 | Madison | 45 29 46 N | 112 06 14 W |
| None Dam | Dam | 821 | Phillips | 47 51 36 N | 108 02 08 W |
| None Such/Jumbo Mine | Mine | 1540 | Lewis and Clark | 46 33 04 N | 112 03 29 W |
| Nonpareil Mine | Mine | 1821 | Granite | 46 23 57 N | 113 08 18 W |
| Nonpareil Mine | Mine | 1878 | Granite | 46 23 53 N | 113 08 05 W |
| Nonpariel Creek | Stream | | Madison | 45 27 29 N | 112 11 20 W |
| Noon Mark | Summit | 2282 | Gallatin | 45 30 07 N | 111 12 36 W |
| Norby School (historical) | School | 910 | Valley | 48 40 43 N | 106 29 37 W |
| Nordahl Coulee | Valley | | Garfield | 47 05 53 N | 107 48 07 W |
| Nordang Coulee | Valley | | Garfield | 46 51 08 N | 106 30 05 W |
| Nordberg School (historical) | School | 815 | Phillips | 48 14 54 N | 107 50 47 W |
| Norden Cabin | Locale | 1384 | Flathead | 48 02 12 N | 114 27 53 W |
| Norheim (historical) | Populated Place | 878 | Blaine | 48 59 33 N | 109 16 28 W |
| Norheim Post Office (historical) | Post Office | 878 | Blaine | 48 59 33 N | 109 16 28 W |
| Norheim School (historical) | School | 851 | Blaine | 48 57 35 N | 109 14 53 W |
| Norhtside Shopping Center | Locale | 1041 | Cascade | 47 30 42 N | 111 15 50 W |
| Norman Creek | Stream | | Missoula | 46 54 01 N | 113 38 44 W |
| Norman Dam | Dam | 1093 | Fergus | 47 22 18 N | 109 35 03 W |
| Norman Gulch | Valley | | Sweet Grass | 45 49 17 N | 109 45 53 W |
| Norman Homestead | Locale | 1534 | Park | 45 39 12 N | 110 24 18 W |
| Norman Mountain | Summit | 1873 | Lincoln | 48 23 27 N | 115 41 40 W |
| Norris | Populated Place | 1478 | Madison | 45 34 05 N | 111 41 27 W |
| Norris (historical) | Locale | 1478 | Madison | 45 34 05 N | 111 41 27 W |
| Norris Canyon | Valley | | Beaverhead | 44 38 21 N | 112 40 09 W |
| Norris Gulch | Valley | | Broadwater | 46 14 30 N | 111 42 33 W |
| Norris Mountain | Summit | 2716 | Flathead | 48 34 37 N | 113 32 01 W |
| Norris Post Office | Post Office | 1478 | Madison | 45 34 05 N | 111 41 27 W |
| Norris School (historical) | School | 1478 | Madison | 45 34 05 N | 111 41 27 W |
| Norris Spring | Spring | 2029 | Beaverhead | 44 38 15 N | 112 40 15 W |
| Norris Springs | Spring | 743 | McCone | 47 44 58 N | 106 05 41 W |
| Norrisvale Post Office (historical) | Post Office | 806 | Lake | 47 38 44 N | 114 20 53 W |
| Nortana Grain Company Elevator | Locale | 590 | Richland | 47 42 49 N | 104 08 32 W |
| Nortana Grain Company Elevator | Locale | 723 | Richland | 47 40 52 N | 104 37 21 W |
| North Access Trail | Trail | 1440 | Lewis and Clark | 46 35 23 N | 112 03 31 W |
| North Amelong Creek | Stream | | Sweet Grass | 46 02 04 N | 110 09 29 W |
| North American RV Park and Campground | Locale | 971 | Flathead | 48 25 05 N | 114 02 46 W |
| North American Wildlife Museum | Building | 1000 | Flathead | 48 25 05 N | 114 02 13 W |
| North Arm Sand Arroyo Bay | Bay | 686 | McCone | 47 48 59 N | 106 14 42 W |
| North Badger Creek | Stream | | Pondera | 48 14 35 N | 113 05 45 W |
| North Badger-Elbow Creek Trail | Trail | 1801 | Pondera | 48 11 16 N | 113 09 17 W |
| North Bar Coulee | Valley | | Custer | 46 33 28 N | 106 02 52 W |
| North Bar Creek | Stream | | Powder River | 45 18 25 N | 105 35 40 W |
| North Baylor School (historical) | School | 903 | Valley | 48 40 57 N | 106 28 37 W |
| North Bear Canyon Spring | Spring | 2600 | Beaverhead | 44 40 49 N | 112 57 40 W |
| North Beaver Dam | Dam | 717 | Valley | 48 07 42 N | 107 06 38 W |
| North Beaver Reservoir | Reservoir | 719 | Valley | 48 07 50 N | 107 06 42 W |
| North Bench | Bench | 1113 | Ravalli | 46 31 29 N | 114 01 58 W |
| North Bench Community Hall | Locale | 919 | Valley | 48 58 04 N | 106 12 41 W |
| North Bench School (historical) | School | 945 | Valley | 48 58 03 N | 106 11 38 W |
| North Bench School (historical) | School | 707 | Valley | 48 30 41 N | 107 08 20 W |
| North Biglow Lake | Lake | 1871 | Flathead | 48 03 01 N | 113 48 57 W |
| North Birch Creek | Stream | | Ravalli | 46 24 12 N | 114 04 52 W |
| North Bootlegger Campground | Locale | 918 | Toole | 48 21 39 N | 111 19 37 W |
| North Bootlegger Picnic Area | Park | 918 | Toole | 48 21 39 N | 111 19 37 W |
| North Boundary Trail | Trail | 1475 | Glacier | 48 59 48 N | 113 57 49 W |
| North Bowl Face Ski Trail | Trail | 1454 | Flathead | 48 29 06 N | 114 21 13 W |
| North Bowl Road Ski Trail | Trail | 1863 | Gallatin | 45 49 02 N | 110 53 48 W |
| North Bowl Run Ski Trail | Trail | 1863 | Gallatin | 45 49 02 N | 110 53 48 W |
| North Bowl Ski Trail | Trail | 1456 | Hill | 48 10 40 N | 109 38 03 W |
| North Bowl Ski Trail | Trail | 2150 | Ravalli | 45 41 35 N | 113 57 08 W |
| North Branch Big Swamp Creek | Stream | | Beaverhead | 45 27 36 N | 113 28 46 W |
| North Branch Clear Creek | Stream | | Dawson | 47 05 13 N | 105 06 50 W |
| North Branch Knapp Creek | Stream | | Cascade | 47 16 27 N | 111 45 19 W |
| North Branch Marten Creek | Stream | | Sanders | 47 53 04 N | 115 52 46 W |
| North Branch Miner Creek | Stream | | Beaverhead | 45 24 53 N | 113 26 58 W |
| North Branch Slater Creek | Stream | | Big Horn | 44 58 01 N | 107 08 01 W |
| North Branch White Bear Creek | Stream | | Blaine | 48 20 53 N | 108 45 16 W |
| North Browning | Populated Place | 1331 | Glacier | 48 34 13 N | 113 00 34 W |
| North Burnt Fork Creek | Stream | | Ravalli | 46 32 31 N | 114 05 58 W |
| North Butte Creek | Stream | | Carter | 45 12 04 N | 104 17 31 W |
| North Cabin Creek | Stream | | Powder River | 45 29 37 N | 105 01 26 W |
| North Callahan Creek | Stream | 822 | Lincoln | 48 26 06 N | 116 00 45 W |
| North Campground | Locale | 955 | Lincoln | 48 43 07 N | 114 50 01 W |
| North Canal | Canal | 709 | Blaine | 48 28 26 N | 108 38 21 W |
| North Central Mine | Mine | 1673 | Beaverhead | 45 41 43 N | 112 45 44 W |
| North Channel Bear Creek | Stream | | Ravalli | 46 24 18 N | 114 08 02 W |
| North Chimney Peak | Summit | 1975 | Powell | 46 43 10 N | 112 58 32 W |
| North Chimney Peak | Summit | 1962 | Powell | 46 43 11 N | 112 58 34 W |
| North Chinook Dam | Dam | 787 | Blaine | 48 46 00 N | 109 18 45 W |
| North Chinook Irrigation Canal | Canal | 778 | Blaine | 48 42 56 N | 109 18 15 W |
| North Chinook Reservoir | Reservoir | 787 | Blaine | 48 46 00 N | 109 18 54 W |
| North Corbin Hall | Building | 979 | Missoula | 46 51 43 N | 113 59 16 W |
| North Cottonwood Creek | Stream | | Big Horn | 45 53 49 N | 107 33 46 W |
| North Cottonwood Creek | Stream | | Carter | 45 09 10 N | 104 24 37 W |
| North Cottonwood Creek | Stream | | Gallatin | 45 51 29 N | 111 05 33 W |
| North Coulee | Valley | | Phillips | 47 42 27 N | 107 59 08 W |
| North Coulee | Valley | | Prairie | 47 02 26 N | 105 26 15 W |
| North Coulee | Valley | | Teton | 47 45 30 N | 112 30 43 W |
| North Country Pad Heliport | Airport | 932 | Flathead | 48 05 42 N | 114 05 21 W |
| North Creek | Stream | | Beaverhead | 45 26 54 N | 112 50 15 W |
| North Creek | Stream | | Carter | 45 02 41 N | 104 30 12 W |
| North Creek | Stream | | Flathead | 47 58 31 N | 113 31 43 W |
| North Creek | Stream | | Lincoln | 48 51 53 N | 115 54 53 W |
| North Creek | Stream | | Missoula | 46 43 53 N | 114 34 13 W |
| North Creek | Stream | | Ravalli | 45 45 10 N | 114 07 38 W |
| North Creek | Stream | | Sanders | 47 53 36 N | 115 53 38 W |
| North Creek | Stream | | Toole | 48 55 51 N | 111 24 06 W |
| North Crow Community House | Locale | 950 | Lake | 47 34 35 N | 114 04 13 W |
| North Crow Creek | Stream | | Lake | 47 29 22 N | 114 04 27 W |
| North Crow Creek Campground | Locale | 1138 | Lake | 47 34 40 N | 114 00 58 W |
| North Crow Creek Canyon | Valley | | Lake | 47 33 53 N | 114 02 48 W |
| North Dakota Downhill Ski Trail | Trail | 1810 | Missoula | 47 01 25 N | 113 59 50 W |
| North Dam | Dam | 735 | McCone | 47 50 56 N | 106 04 33 W |
| North Dearborn Spring | Spring | 2101 | Jefferson | 46 01 34 N | 112 02 32 W |
| North Derby Gulch | Valley | | Sweet Grass | 45 36 43 N | 109 49 41 W |
| North Devon School (historical) | School | 990 | Toole | 48 33 08 N | 111 28 37 W |
| North Dixon Creek | Stream | | Custer | 46 31 15 N | 105 37 46 W |