| Official Name: | Luther, Montana |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Montana#USA |
| Pushpin Label: | Luther |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Carbon |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.48 |
| Area Land Km2: | 1.48 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.57 |
| Area Land Sq Mi: | 0.57 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 30 |
| Population Density Km2: | 20.32 |
| Population Density Sq Mi: | 52.63 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 5174 |
| Coordinates: | 45.2844°N -109.4286°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 59068 |
| Area Code: | 406 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 786724 |
Luther is an unincorporated community in Carbon County, Montana, United States. Luther lies on Montana Highway 78, southeast of Roscoe and northwest of Red Lodge.
Luther was originally called Linley. Its first post office was established on March 12, 1902 with Walter R. Linley as the postmaster, and a ZIP code of 59068.[2] The name was officially changed to "Luther" on March 4, 1907, with Grace R. Luther named as postmaster. On July 22, 1983, the post office was closed, and Luther is now serviced out of Red Lodge.[3]