The Maitland River is a river in Huron County, Perth County and Wellington County in Southwestern Ontario, Canada. The river is in the Great Lakes Basin and empties into Lake Huron at the town of Goderich. It is 150 kilometres (93 mi) long, and is named after Sir Peregrine Maitland, Lieutenant-Governor of Upper Canada from 1818 to 1828. It was formerly known as the Menesetung River.