| Official Name: | Lothair, Montana |
| Pushpin Map: | Montana#USA |
| Pushpin Label: | Lothair |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Liberty |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 3320 |
| Coordinates: | 48.4717°N -111.2322°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 59461 |
| Area Code: | 406 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 773709 |
Lothair is an unincorporated community in Liberty County, Montana, United States. Lothair is located on U.S. Route 2 and the Hi-Line, west of Chester. The community had a post office until December 17, 2005; it still has its own ZIP code, 59461.[1] [2]
Originally a station on the Great Northern Railway, Lothair became a town in 1910.[3]