Grand Falls-Windsor—Green Bay South, formerly known as Windsor—Springdale, is a defunct provincial electoral district for the House of Assembly of Newfoundland and Labrador, Canada.

In 2011, there were 7,004 eligible voters living within the district.

[1] In Central Newfoundland, on the shore of Notre Dame Bay.

It included part of the town of Grand Falls-Windsor.

The former district of Green Bay was represented by former Premier Brian Peckford (1979-1989).