| Official Name: | Leroy, Indiana |
| Settlement Type: | Unincorporated community and Census-designated place |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Leroy |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Lake |
| Subdivision Type3: | Township |
| Subdivision Name3: | Winfield |
| Coordinates: | 41.36°N -87.2719°W |
| Elevation Ft: | 682 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46307 (Crown Point), 46355 |
| Area Code: | 219 |
| Blank Name: | FIPS code |
| Blank Info: | 18-42930[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2830829 |
Leroy is an unincorporated community in Winfield Township, Lake County, Indiana. The town was founded on December 11, 1875, by Thomas McClann. The town sign at the intersection of U.S. 231 and Elkhart Street describes Leroy as "One of Lake County's First Irish Settlements".
Leroy has
s a United States Postal Service office.