Newton Stewart (Gd: Baile Ùr nan Stiùbhartach) is a former burgh town in the historical county of Wigtownshire in Dumfries and Galloway, southwest Scotland.The town is on the River Cree with most of the town to the west of the river, and is sometimes referred to as the "Gateway to the Galloway Hills".

The main local industries are agriculture, forestry and tourism.