| Official Name: | Radnor |
| Mapsize: | 120px |
| Pushpin Map: | USA Indiana Carroll County |
| Pushpin Map Caption: | Location in Carroll County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Carroll |
| Subdivision Type3: | Township |
| Subdivision Name3: | Madison |
| Coordinates: | 40.5094°N -86.635°W |
| Elevation Ft: | 689 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46923 |
| Blank Name: | FIPS code |
| Blank Info: | 18-62694[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 441727 |
Radnor is an unincorporated community in Madison Township, Carroll County, Indiana. It is part of the Lafayette, Indiana Metropolitan Statistical Area.
A post office was established at Radnor in 1883, and remained in operation until it was discontinued in 1975.[2] It may be named after Radnor, Pennsylvania.[3]