| Fred Gannon Rocky Bayou State Park | |
|---|---|
IUCN category IV (habitat/species management area) | |
 The entrance for Fred Gannon Rocky Bayou State Park off Florida State Road 20. | |
   | |
| Location | Okaloosa County, Florida, USA |
| Nearest city | Niceville, Florida |
| Coordinates | 30°29′49″N 86°25′37″W / 30.49694°N 86.42694°W |
| Area | 357 acres (144 ha) |
| Established | 1966 |
| Governing body | Florida Department of Environmental Protection |
Fred Gannon Rocky Bayou State Park is a Florida State Park located on the northwestern coast of the U.S. state of Florida, southeast of Niceville. The address is 4281 Highway 20. Native American middens and artifacts can be seen throughout the park.