Towns
| State | City/Town | Town Title |
|---|---|---|
| Montana | Hammond | Hammond, MT |
| Montana | Hardin | Hardin, MT |
| Montana | Harlem | Harlem, MT |
| Montana | Harlowton | Harlowton, MT |
| Montana | Harrison | Harrison, MT |
| Montana | Hathaway | Hathaway, MT |
| Montana | Hauck | Hauck, MT |
| Montana | Haugan | Haugan, MT |
| Montana | Havre | Havre, MT |
| Montana | Hays | Hays, MT |
| Montana | Heart Butte | Heart Butte, MT |
| Montana | Helena | Helena, MT |
| Montana | Helmville | Helmville, MT |
| Montana | Heron | Heron, MT |
| Montana | Highwood | Highwood, MT |
| Montana | Hilger | Hilger, MT |
| Montana | Hingham | Hingham, MT |
| Montana | Hinsdale | Hinsdale, MT |
| Montana | Hobson | Hobson, MT |
| Montana | Hogeland | Hogeland, MT |
| Montana | Homestead | Homestead, MT |
| Montana | Hot Springs | Hot Springs, MT |
| Montana | Hungry Horse | Hungry Horse, MT |
| Montana | Huntley | Huntley, MT |
| Montana | Huson | Huson, MT |