| Franklin County High School | |
| Location: | 1 Wildcat Lane |
| City: | Brookville |
| State: | Indiana |
| County: | Franklin County |
| Zipcode: | 47012 |
| Country: | US |
| Coordinates: | 39.4286°N -84.9988°W |
| Type: | Public high school |
| District: | Franklin County Community School Corporation |
| Grades: | 9-12 |
| Principal: | Michelle South |
| Enrollment: | 713 (2022–2023)[1] |
| Ratio: | 18.76 |
| Staff: | 38.00 (FTE) |
| Team Name: | Wildcats |
| Rivals: | East Central Trojans |
| Website: | Official Website |
Franklin County High School is a high school located in Brookville, Indiana.