| Official Name: | Rosston, Indiana |
| Mapsize: | 120px |
| Pushpin Map: | USA Indiana Boone County |
| Pushpin Label: | Rosston |
| Pushpin Map Caption: | Location in Boone County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Boone |
| Subdivision Type3: | Township |
| Subdivision Name3: | Union |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 40.0486°N -86.2892°W |
| Elevation Footnotes: | [1] |
| Elevation Ft: | 932 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46077 |
| Blank Name: | FIPS code |
| Blank Info: | 18-66114[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 442327 |
Rosston is an unincorporated community in Union Township, Boone County, in the U.S. state of Indiana.[3]
A post office was established at Rosston in 1886, and remained in operation until it was discontinued in 1918.[4] Ross was the name of the original owners of the townsite.[5]
Rosston is located at 40.0486°N -86.2892°W.