| Official Name: | Lewisburg |
| Mapsize: | 120px |
| Pushpin Map: | USA Indiana Cass County |
| Pushpin Map Caption: | Location in Cass County |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Cass |
| Subdivision Type3: | Township |
| Subdivision Name3: | Miami |
| Established Title: | Founded |
| Established Date: | 1835 |
| Timezone: | Eastern |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 40.7467°N -86.2175°W |
| Elevation Ft: | 679 |
| Named For: | Lewis Boyer |
| Postal Code Type: | ZIP code |
| Postal Code: | 46970 |
| Blank Name: | FIPS code |
| Blank Info: | 18-43038[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 437807 |
Lewisburg is an unincorporated community in Miami Township, Cass County, Indiana.
Lewisburg had its start in the year 1835 by the building of the Wabash and Erie Canal through that territory. It was named for its founder, Lewis Bowyer[2] (or Boyer).[3]
A post office was established at Lewisburg in 1835, and remained in operation until 1868.[4]