The title of Earl of Wigtown (or Wigton or Wigtoun) was created twice in the Peerage of Scotland. The first creation was in 1341, and was surrendered in 1372, when the second Earl sold the Earldom and territory to Archibald the Grim, Lord of Galloway. The transfer was confirmed by Robert III later in the same year The Earls of Douglas held the Earldom of Wigtown for the next hundred years, until the attainder of the 9th Earl of Douglas in 1455.
The second creation was in 1606, surviving until the death of the 7th earl in 1747, when it became dormant (or extinct). The earls of the second creation bore the subsidiary titles of Lord Fleming and Cumbernauld (1606) and of Lord Fleming (1451, Peerage of Scotland, extinct 1747).