| Official Name: | Lyonsville, Indiana |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Lyonsville |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Fayette |
| Subdivision Type3: | Township |
| Subdivision Name3: | Jennings |
| Coordinates: | 39.6525°N -85.0539°W |
| Elevation Ft: | 876 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47331 |
| Blank Name: | FIPS code |
| Blank Info: | 18-45522[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 438443 |
Lyonsville is an unincorporated community in Jennings Township, Fayette County, Indiana.
Lyonsville was originally called Lyons Station. It was renamed Lyonsville in 1916, in order to avoid confusion with Lyons in Greene County.[2]
Abraham Lyons was a pioneer settler in Jennings Township.[3]