| Official Name: | Smartsburg, Indiana |
| Pushpin Map: | USA Indiana Montgomery County |
| Pushpin Label: | Smartsburg |
| Pushpin Map Caption: | Location in Montgomery County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Montgomery |
| Subdivision Type3: | Township |
| Subdivision Name3: | Union |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 40.0469°N -86.8286°W |
| Elevation Ft: | 817 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47933 |
| Area Code: | 765 |
| Blank Name: | FIPS code |
| Blank Info: | 18-70092[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 449731 |
Smartsburg is an unincorporated community in Union Township, Montgomery County, in the U.S. state of Indiana.
A post office was established at Smartsburg in 1886, and remained in operation until it was discontinued in 1899.[2] The community is said to be named either for the smartweed in the area or a member of the local Smart family.[3]