Lagrange Bay
| Lagrange Bay Western Australia | |
|---|---|
| Coordinates | 18°41′04″S 121°46′39″E / 18.68442°S 121.77748°E |
| Population | 617 (2016 census) |
| Postcode(s) | 6725 |
| Location | 190 km (118 mi) S of Broome, Western Australia |
| LGA(s) | Shire of Broome |
| State electorate(s) | Kimberley |
| Federal division(s) | Durack |
Lagrange Bay is located 200 kilometres (120 mi) south of Broome, Western Australia in the Kimberley region. It is the site of the Catholic Pallottine La Grange Mission, and the Aboriginal community of Bidyadanga. It was the location of the La Grange massacre and expedition in 1865.