This is a list of people who have served as Lord Lieutenant of Wigtownshire, a county in the Dumfries and Galloway council area of south-west Scotland.
The current title of the Lord Lieutenant is Her Majesty’s Lord-Lieutenant for Wigtown, or the Lord Lieutenant for the Area of Wigtown. The area of Wigtown, the name of the relevant lieutenancy area of the Lord Lieutenant, encompasses not only the town of Wigtown, but of Wigtownshire. As such, the office continues to be referred to as the Lord Lieutenant of Wigtownshire.
Between 1794 and 1975, the official title of the office was His or Her Majesty's Lieutenant in the County of Wigtown. From 1975, the title became Lord-Lieutenant in Dumfries and Galloway Region (District of Wigtown), altering in 1996 to its present form described above.