Stoneykirk (Scottish Gaelic: Eaglais Steafain) is an area and a village in the heart of the Rhins of Galloway, Wigtownshire, in the administrative council area of Dumfries and Galloway, Scotland nearly 10 miles (16 km) in length and 3+1⁄2 miles (5.6 km) in breadth, bounded on the east by the bay of Luce, and on the west by the Irish Channel, 5 miles (8 km) south of Stranraer.
The area is about 21,500 acres (8,700 ha), of which 19,000 acres (7,700 ha) are arable, 375 acres (152 ha) woodland and plantations, and the remainder, whereof 1,100 acres (450 ha) might be reclaimed, moorland.