| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Eagle (historical) | city | Montana | United States | 45.13 | -109.16 | 5029 | |
| Eagle Creek Colony | city | Montana | United States | 48.70 | -111.21 | 3595 | |
| Eagle Lake Ranch | city | Montana | United States | 48.76 | -114.92 | 3349 | |
| Eagleton | city | Montana | United States | 47.94 | -109.78 | 3389 | |
| East Bench (historical) | city | Montana | United States | 45.24 | -112.56 | 5200 | |
| East Butte | city | Montana | United States | 46.01 | -112.50 | 5869 | |
| East Community | city | Montana | United States | 48.05 | -111.47 | 3398 | |
| East End Colony | city | Montana | United States | 48.75 | -109.57 | 2700 | |
| East Evergreen Mobile Home Park | city | Montana | United States | 48.22 | -114.28 | 3349 | |
| East Glacier Park | city | Montana | United States | 48.44 | -113.22 | 5029 | |
| East Glacier Park Village | city | Montana | United States | 48.45 | -113.22 | 5029 | |
| East Helena | city | Montana | United States | 46.59 | -111.92 | 4189 | |
| East Malta Colony | city | Montana | United States | 48.35 | -107.61 | 2509 | |
| East Missoula | city | Montana | United States | 46.87 | -113.94 | 3658 | |
| East Portal | city | Montana | United States | 47.40 | -115.64 | 4609 | |
| Eastham Junction | city | Montana | United States | 47.73 | -112.09 | 4189 | |
| Eau Clair (historical) | city | Montana | United States | 45.84 | -111.92 | 4478 | |
| Echo Lake (historical) | city | Montana | United States | 46.23 | -113.27 | 6709 | |
| Eddies Corner | city | Montana | United States | 46.98 | -109.75 | 4189 | |
| Eddy | city | Montana | United States | 47.56 | -115.13 | 2598 | |
| Eden | city | Montana | United States | 47.27 | -111.27 | 4189 | |
| Edgar | city | Montana | United States | 45.46 | -108.85 | 3467 | |
| Edilou | city | Montana | United States | 45.88 | -111.20 | 4333 | |
| Edith Nelson Trailer Court | city | Montana | United States | 47.15 | -110.21 | 4304 | |
| Edwards | city | Montana | United States | 47.14 | -107.33 | 3349 | |
| Edwards Crossing | city | Montana | United States | 48.47 | -112.45 | 3687 | |
| Eight Mile (historical) | city | Montana | United States | 46.64 | -113.95 | 4189 | |
| Eightmile Saddle | city | Montana | United States | 46.66 | -113.83 | 6709 | |
| Ekalaka | city | Montana | United States | 45.89 | -104.55 | 3477 | |
| Eldridge (historical) | city | Montana | United States | 45.10 | -111.22 | 6709 | |
| Eldridge Trailer Court | city | Montana | United States | 45.68 | -111.05 | 5029 | |
| Electric | city | Montana | United States | 45.08 | -110.78 | 5282 | |
| Elgin (historical) | city | Montana | United States | 45.75 | -104.42 | 3349 | |
| Elk Park | city | Montana | United States | 46.16 | -112.37 | 6709 | |
| Elkhorn | city | Montana | United States | 45.49 | -113.04 | 8389 | |
| Elkhorn | city | Montana | United States | 46.27 | -111.95 | 6709 | |
| Elkhorn Hot Springs | city | Montana | United States | 45.46 | -113.11 | 7549 | |
| Elliston | city | Montana | United States | 46.56 | -112.43 | 5255 | |
| Elloam (historical) | city | Montana | United States | 48.89 | -109.39 | 2598 | |
| Elmo | city | Montana | United States | 47.83 | -114.35 | 2896 | |
| Elso | city | Montana | United States | 46.35 | -108.68 | 3369 | |
| Elton | city | Montana | United States | 45.70 | -110.31 | 5029 | |
| Emerson Junction | city | Montana | United States | 47.52 | -111.37 | 3398 | |
| Emery (historical) | city | Montana | United States | 46.38 | -112.58 | 6197 | |
| Emigrant | city | Montana | United States | 45.37 | -110.73 | 5029 | |
| Emory (historical) | city | Montana | United States | 46.53 | -108.95 | 4189 | |
| Enid | city | Montana | United States | 47.70 | -104.78 | 2509 | |
| Ennis | city | Montana | United States | 45.35 | -111.73 | 5029 | |
| Epsie | city | Montana | United States | 45.49 | -105.65 | 3369 | |
| Erickson (historical) | city | Montana | United States | 48.11 | -112.09 | 3710 | |
| Ermont Mill | city | Montana | United States | 45.27 | -112.92 | 6709 | |
| Eskay (historical) | city | Montana | United States | 47.83 | -109.64 | 3349 | |
| Essex | city | Montana | United States | 48.28 | -113.61 | 4189 | |
| Etchetah (historical) | city | Montana | United States | 46.20 | -107.44 | 2680 | |
| Ethridge | city | Montana | United States | 48.56 | -112.12 | 3559 | |
| Etna (historical) | city | Montana | United States | 46.19 | -105.78 | 2509 | |
| Etna (historical) | city | Montana | United States | 46.44 | -114.08 | 3398 | |
| Eureka | city | Montana | United States | 48.88 | -115.05 | 2604 | |
| Eustis | city | Montana | United States | 45.99 | -111.47 | 4189 | |
| Evans | city | Montana | United States | 47.17 | -111.09 | 5029 | |
| Evaro | city | Montana | United States | 47.03 | -114.09 | 4189 | |
| Evergreen | city | Montana | United States | 48.23 | -114.28 | 3349 | |
| Evergreen Court | city | Montana | United States | 46.64 | -112.02 | 3756 | |
| Everson (historical) | city | Montana | United States | 47.62 | -109.76 | 3385 |