| Champion Bay Group | |
| Period: | Bajocian |
| Age: | Bajocian ~ |
| Type: | Group |
| Prilithology: | Sandstone, limestone, shale |
| Subunits: | Colalura Sandstone, Newmarracarra Limestone, Kojarena Sandstone, Bringo Shale |
| Underlies: | Yarragadee Formation |
| Overlies: | Chapman Group |
| Coordinates: | -28.8°N 114.9°W |
| Paleocoordinates: | -40.1°N 57.5°W |
| Extent: | Perth Basin |
The Champion Bay Group is a stratigraphic group in Australia, it was deposited in the Bajocian stage of the Middle Jurassic.[1] The limestones of the group have provided ammonites.