| Official Name: | Rupert, Ohio |
| Settlement Type: | Unincorporated community |
| Mapsize: | 250px |
| Pushpin Map: | Ohio |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Madison |
| Unit Pref: | Imperial |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 961 |
| Coordinates: | 39.8825°N -83.3533°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 43140 |
| Area Code: | 740 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1062997 |
Rupert is an unincorporated community in Union Township, Madison County, Ohio, United States. It is located at the intersection of Ohio State Route 665 and Glade Run Road, approximately four miles east of London.[1]
The Rupert Post Office was established on May 2, 1894, but was discontinued on August 31, 1901. The mail service is now sent through the London branch. As of 1915, the community contained a general store, a blacksmith, and only a few houses.[2]