Thorntonhall is an affluent village in South Lanarkshire, Scotland, lying around 6 miles (10 km) to the south of Glasgow, and around 2+1⁄2 miles (4 km) west of East Kilbride. The village lies just east of the boundary of East Renfrewshire, close to Waterfoot and Jackton.

East Kilbride is the largest town in South Lanarkshire in Scotland, and the country's sixth-largest locality by population. It was also designated Scotland's first new town on 6 May 1947. The area lies on a raised plateau to the south of the Cathkin Braes, about eight miles southeast of Glasgow and close to the boundary with East Renfrewshire.