unincorporated locality, Cochrane district, northeastern Ontario, Canada. It is located on the left bank of the Moose River, near its mouth on James Bay, opposite Moose Factory (originally an important fur-trading post).

The community became the northern terminus of the Ontario Northland Railway in 1932. Train service links Moosonee, the province's only saltwater port, with Cochrane, 155 miles (250 km) south. A meteorological station and a Roman Catholic bishopric are located at Moosonee. The locality has become popular with tourists and sportsmen, with many of the local Cree Indians employed as guides. Hannah Bay, noted for its goose hunting, is 30 miles (50 km) east. Pop. (2006) 2,006.