Whithorn, is a royal burgh in the historic county of Wigtownshire in Dumfries and Galloway, Scotland, about 10 miles (16 km) south of Wigtown. The town was the location of the first recorded Christian church in Scotland, Candida Casa 'White/Shining House', built by Saint Ninian about 397.

A royal burgh was a type of Scottish burgh which had been founded by, or subsequently granted, a royal charter. Although abolished by law in 1975, the term is still used by many former royal burghs.