- East Glacier Park Village
- East Helena
- East Missoula
- Ekalaka
- Elliston
- Ennis
- Elmo
- Eureka
- Evergreen
- Evaro
- Eagle Creek Colony
- Eagle Lake Ranch
- Eagleton
- East Butte
- East Community
- East End Colony
- East Evergreen Mobile Home Park
- East Glacier Park
- East Malta Colony
- East Portal
- Eastham Junction
- Eddies Corner
- Eddy
- Eden
- Edgar
- Edilou
- Edith Nelson Trailer Court
- Edwards
- Edwards Crossing
- Eightmile Saddle