| Official Name: | Coalmont, Indiana |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA Indiana Clay County |
| Pushpin Label: | Coalmont |
| Pushpin Map Caption: | Location in Clay County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Clay |
| Subdivision Type3: | Township |
| Subdivision Name3: | Lewis |
| Area Total Km2: | 3.89 |
| Area Land Km2: | 3.89 |
| Area Water Km2: | 0.01 |
| Population As Of: | 2020 |
| Population Total: | 354 |
| Population Density Km2: | 91.08 |
| Coordinates: | 39.1933°N -87.2311°W |
| Elevation Ft: | 630 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47438 |
| Blank Name: | FIPS code |
| Blank Info: | 18-14032[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 432712 |
| Unit Pref: | Imperial |
| Area Footnotes: | [2] |
| Area Total Sq Mi: | 1.50 |
| Area Land Sq Mi: | 1.50 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 235.84 |
Coalmont is an unincorporated community and census-designated place in Lewis Township, Clay County, Indiana, United States. It is part of the Terre Haute Metropolitan Statistical Area. As of the 2010 census, it had a population of 402.[3]
A post office was established at Coalmont in 1901.[4] Deposits of coal in the area caused the name to be selected.[5]
Coalmont is located in southwestern Clay County at 39.1933°N -87.2311°W. Its western border is the Sullivan County line. Indiana State Road 159 runs north–south through the center of the community, and IN 48 forms the southern edge of the CDP. Shakamak State Park is directly to the south. Jasonville is to the southeast on routes 159 and 48, and Hymera is 4miles to the west on IN 48.
Everett Sanders, the future personal secretary to President Coolidge, was born near Coalmont in 1882.[6]