| Official Name: | Limestone, Montana |
| Settlement Type: | Ghost Town |
| Pushpin Map: | Montana#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Stillwater |
| Area Footnotes: | [1] |
| Population As Of: | 2010 |
| Population Footnotes: | [2] |
| Population Total: | 17 |
| Population Density Sq Mi: | auto |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 5535 |
| Coordinates: | 45.4781°N -109.9019°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 59061 |
| Area Code: | 406 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 777090 |
Limestone is a ghost Town located in Stillwater County, Montana, United States.
The elevation is 5,535 feet. Limestone appears on the Meyer Mountain U.S. Geological Survey Map.
Limestone was a mining community situated along Lodgepole Creek and sat at the foot of Limestone Butte, for which the town was named. The town was small but busy. The post office operated at Limestone from 1910 to 1953. Today Limestone is a ghost town with a number of buildings left standing, including the former grocery store and post office.