Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Middle Charlie Creek | Stream | | Richland | 47 59 16 N | 104 42 37 W |
| Middle Cottonwood Creek | Stream | | Gallatin | 45 47 25 N | 111 07 06 W |
| Middle Coulee | Valley | | Blaine | 47 53 51 N | 109 01 07 W |
| Middle Coulee | Valley | | Chouteau | 47 43 03 N | 110 57 17 W |
| Middle Coulee | Valley | | Chouteau | 47 27 37 N | 110 42 05 W |
| Middle Coulee | Valley | | Hill | 48 23 18 N | 109 56 49 W |
| Middle Creek | Stream | | Beaverhead | 45 18 40 N | 113 09 02 W |
| Middle Creek | Stream | | Beaverhead | 44 32 52 N | 112 25 18 W |
| Middle Creek | Stream | | Beaverhead | 44 40 42 N | 112 07 24 W |
| Middle Creek | Stream | | Big Horn | 45 27 28 N | 108 26 57 W |
| Middle Creek | Stream | | Carter | 45 33 28 N | 104 51 13 W |
| Middle Creek | Stream | | Carter | 45 12 25 N | 104 34 57 W |
| Middle Creek | Stream | | Cascade | 46 59 10 N | 111 35 47 W |
| Middle Creek | Stream | | Meagher | 46 51 08 N | 111 21 50 W |
| Middle Creek | Stream | | Missoula | 46 41 40 N | 114 17 26 W |
| Middle Creek | Stream | | Park | 45 09 35 N | 110 59 34 W |
| Middle Creek | Stream | | Powder River | 45 30 43 N | 105 35 32 W |
| Middle Creek | Stream | | Stillwater | 45 57 02 N | 109 13 37 W |
| Middle Creek (historical) | Populated Place | 1414 | Gallatin | 45 41 60 N | 111 10 11 W |
| Middle Creek Association Ditch | Canal | 1683 | Gallatin | 45 33 59 N | 111 06 44 W |
| Middle Creek Camp | Locale | 1497 | Cascade | 46 58 34 N | 111 38 58 W |
| Middle Creek Cow Camp | Locale | 2228 | Beaverhead | 44 29 42 N | 112 26 05 W |
| Middle Creek Dam | Dam | 2042 | Gallatin | 45 29 14 N | 110 58 42 W |
| Middle Creek Dam | Dam | 2022 | Gallatin | 45 29 18 N | 110 58 45 W |
| Middle Creek Ditch | Canal | 1570 | Gallatin | 45 37 06 N | 111 05 32 W |
| Middle Creek Lake | Reservoir | 1689 | Cascade | 46 56 21 N | 111 40 47 W |
| Middle Creek Lake Dam | Dam | 1689 | Cascade | 46 56 21 N | 111 40 47 W |
| Middle Creek Post Office (historical) | Post Office | 1414 | Gallatin | 45 41 60 N | 111 10 11 W |
| Middle Creek School (historical) | School | 1231 | Big Horn | 45 27 40 N | 108 28 00 W |
| Middle Creek School (historical) | School | 1520 | Gallatin | 45 37 58 N | 111 08 12 W |
| Middle Creek Spring | Spring | 1077 | Powder River | 45 24 54 N | 105 59 40 W |
| Middle Crow Creek | Stream | | Lake | 47 30 54 N | 114 03 54 W |
| Middle Eighth Coulee | Valley | | Valley | 47 46 49 N | 106 46 44 W |
| Middle Eighth Ridge | Ridge | 794 | Valley | 47 48 01 N | 106 50 36 W |
| Middle Fork Allen Creek | Stream | | Yellowstone | 46 12 50 N | 107 33 13 W |
| Middle Fork American Fork | Stream | | Sweet Grass | 46 11 28 N | 110 12 47 W |
| Middle Fork Armells Creek | Stream | | Fergus | 47 17 59 N | 109 11 36 W |
| Middle Fork Bad Route Creek | Stream | | Prairie | 47 02 18 N | 105 18 22 W |
| Middle Fork Battle Butte Creek | Stream | | Rosebud | 45 16 30 N | 106 33 35 W |
| Middle Fork Bear Creek | Stream | | Madison | 45 09 47 N | 111 33 48 W |
| Middle Fork Bear Creek | Stream | | Ravalli | 46 24 40 N | 114 19 55 W |
| Middle Fork Bear Gulch | Valley | | Meagher | 47 01 01 N | 111 14 42 W |
| Middle Fork Beaver Creek | Stream | | Fergus | 46 56 26 N | 109 32 50 W |
| Middle Fork Beaver Creek | Stream | | Lewis and Clark | 47 32 22 N | 112 45 39 W |
| Middle Fork Beaver Creek School (historical) | School | 1430 | Fergus | 46 55 00 N | 109 32 17 W |
| Middle Fork Big Camas Creek | Stream | | Meagher | 46 32 50 N | 111 16 33 W |
| Middle Fork Big Creek | Stream | | Mineral | 47 21 51 N | 115 26 41 W |
| Middle Fork Big Elk Creek | Stream | | Wheatland | 46 13 35 N | 110 16 09 W |
| Middle Fork Big Spring Creek | Stream | | Fergus | 46 57 56 N | 109 17 23 W |
| Middle Fork Big Timber Creek | Stream | | Sweet Grass | 45 59 23 N | 110 08 26 W |
| Middle Fork Birch Creek | Stream | | Teton | 48 07 11 N | 112 54 15 W |
| Middle Fork Blacktail Deer Creek | Stream | | Beaverhead | 44 53 34 N | 112 20 45 W |
| Middle Fork Brackett Creek | Stream | | Gallatin | 45 51 36 N | 110 53 12 W |
| Middle Fork Buffalo Creek | Stream | | Beaverhead | 45 10 01 N | 113 12 01 W |
| Middle Fork Bull Creek | Stream | | Big Horn | 45 22 39 N | 106 45 34 W |
| Middle Fork Bull River | Stream | | Sanders | 48 11 47 N | 115 48 36 W |
| Middle Fork Burns Creek | Stream | | Dawson | 47 27 37 N | 104 32 10 W |
| Middle Fork Buster Creek | Stream | | Big Horn | 45 24 08 N | 108 11 31 W |
| Middle Fork Cabin Creek | Stream | | Fallon | 46 35 52 N | 104 24 49 W |
| Middle Fork Cabin Creek | Stream | | Gallatin | 44 54 10 N | 111 15 49 W |
| Middle Fork Cabin Gulch | Valley | | Broadwater | 46 20 48 N | 111 13 10 W |
| Middle Fork Calf Creek | Stream | | Meagher | 46 51 55 N | 110 55 56 W |
| Middle Fork Camp Creek | Stream | | Lewis and Clark | 47 12 07 N | 112 30 30 W |
| Middle Fork Canyon | Valley | | Fergus | 46 57 56 N | 109 17 23 W |
| Middle Fork Canyon | Valley | | Gallatin | 46 07 53 N | 111 06 34 W |
| Middle Fork Cash Creek | Stream | | Valley | 48 32 58 N | 107 07 47 W |
| Middle Fork Cottonwood Creek | Stream | | Meagher | 46 18 34 N | 110 25 05 W |
| Middle Fork Cottonwood Creek | Stream | | Park | 45 18 07 N | 111 00 01 W |
| Middle Fork Cottonwood Creek | Stream | | Powell | 46 21 51 N | 112 35 14 W |
| Middle Fork Creek | Stream | | Flathead | 47 49 46 N | 113 34 54 W |
| Middle Fork Creek | Stream | | Gallatin | 46 11 20 N | 110 57 59 W |
| Middle Fork Creek | Stream | | Lewis and Clark | 47 11 59 N | 112 42 10 W |
| Middle Fork Davis Creek | Stream | | Big Horn | 45 29 43 N | 107 01 16 W |
| Middle Fork Dayton Creek | Stream | | Lake | 47 55 47 N | 114 19 47 W |
| Middle Fork Dearborn River | Stream | | Lewis and Clark | 47 13 12 N | 112 14 35 W |
| Middle Fork Deer Creek | Stream | | Dawson | 47 15 43 N | 105 00 04 W |
| Middle Fork Deer Creek | Stream | | Missoula | 46 48 57 N | 113 54 26 W |
| Middle Fork Dempsey Creek | Stream | | Powell | 46 19 14 N | 112 52 46 W |
| Middle Fork Dodge Creek | Stream | | Lincoln | 48 55 55 N | 115 18 59 W |
| Middle Fork Doolittle Creek | Stream | | Beaverhead | 45 42 17 N | 113 19 37 W |
| Middle Fork Douglas Creek | Stream | | Granite | 46 29 19 N | 113 08 37 W |
| Middle Fork Dry Creek | Stream | | Gallatin | 45 59 38 N | 110 47 56 W |
| Middle Fork Dry Fork Marias River | Stream | | Pondera | 48 09 38 N | 112 21 35 W |
| Middle Fork Duck Creek | Stream | | Broadwater | 46 29 12 N | 111 22 42 W |
| Middle Fork Dupuyer Creek | Stream | | Teton | 48 05 37 N | 112 41 30 W |
| Middle Fork Eagle Creek | Stream | | Sheridan | 48 48 27 N | 104 59 04 W |
| Middle Fork Edwards Creek | Stream | | Treasure | 46 14 09 N | 107 27 59 W |
| Middle Fork Falls Creek | Stream | | Lewis and Clark | 47 12 18 N | 112 32 15 W |
| Middle Fork Fiddler Creek | Stream | | Stillwater | 45 22 23 N | 109 36 34 W |
| Middle Fork Fishtrap Creek | Stream | | Deer Lodge | 45 54 00 N | 113 18 26 W |
| Middle Fork Fivemile Creek | Stream | | Carbon | 45 25 14 N | 108 45 17 W |
| Middle Fork Flathead Creek | Stream | | Gallatin | 45 58 19 N | 110 54 58 W |
| Middle Fork Flathead River | Stream | | Flathead | 48 28 01 N | 114 04 09 W |
| Middle Fork Fox Creek | Stream | | Richland | 47 40 53 N | 104 37 60 W |
| Middle Fork Froze to Death Creek | Stream | | Rosebud | 46 30 38 N | 107 23 26 W |
| Middle Fork Gallagher Creek | Stream | | Beaverhead | 45 02 34 N | 112 45 18 W |
| Middle Fork Greasewood Creek | Stream | | Glacier | 48 38 21 N | 113 08 24 W |
| Middle Fork Hellroaring Creek | Stream | | Park | 45 08 20 N | 110 22 49 W |
| Middle Fork Hoover Creek | Stream | | Cascade | 47 00 23 N | 110 40 46 W |
| Middle Fork Hopley Creek | Stream | | Wheatland | 46 36 38 N | 110 01 06 W |
| Middle Fork Horse Creek | Stream | | Park | 45 59 32 N | 110 32 24 W |
| Middle Fork Horse Creek | Stream | | Yellowstone | 46 18 04 N | 107 36 13 W |
| Middle Fork Hot Springs Creek | Stream | | Madison | 45 33 19 N | 111 48 27 W |
| Middle Fork Indian Creek | Stream | | Mineral | 46 50 19 N | 114 50 07 W |
| Middle Fork Jocko River | Stream | | Lake | 47 11 40 N | 113 51 10 W |
| Middle Fork Judith River | Stream | | Judith Basin | 46 50 57 N | 110 16 10 W |
| Middle Fork La Marche Creek | Stream | | Deer Lodge | 45 56 60 N | 113 15 15 W |
| Middle Fork Lakes | Lake | 1824 | Ravalli | 46 33 04 N | 114 19 36 W |
| Middle Fork Lazy Creek | Stream | | Flathead | 48 31 19 N | 114 28 46 W |
| Middle Fork Lee Creek | Stream | | Glacier | 49 00 58 N | 113 32 45 W |