| Mazonia/Braidwood State Fish and Wildlife Area | |
| Iucn Category: | IV |
| Map: | Illinois#USA |
| Map Width: | 250 |
| Location: | Grundy County, Illinois, USA |
| Nearest City: | Braceville, Illinois |
| Coordinates: | 41.1975°N -88.2708°W |
| Area: | 1017acres |
| Established: | 1981 |
| Governing Body: | Illinois Department of Natural Resources |
Mazonia/Braidwood State Fish and Wildlife Area is an Illinois state park on 1017acres in Grundy County, Illinois, United States.