| Official Name: | Reiffsburg, Indiana |
| Pushpin Map: | USA Indiana Wells County |
| Pushpin Label: | Reiffsburg |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Wells |
| Subdivision Type3: | Township |
| Subdivision Name3: | Harrison |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 40.6558°N -85.1519°W |
| Elevation Ft: | 846 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46714 |
| Area Code: | 260 |
| Blank Name: | FIPS code |
| Blank Info: | 18-63738[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 449715 |
Reiffsburg is an unincorporated community in Harrison Township, Wells County, in the U.S. state of Indiana.
Reiffsburg was named after John Reiff, who platted the community.[2]
A post office was established at Reiffsburg in 1854, and remained in operation until it was discontinued in 1905.[3]