This is a list of people who served as Lord Lieutenant of County Donegal.
There were lieutenants of counties in Ireland until the reign of James II, when they were renamed governors. The office of Lord Lieutenant was recreated on 23 August 1831. The office is pronounced as 'Lord Lef-tenant'.
Lieutenant
Rory O'Donnell, 1st Earl of Tyrconnell: 28 March 1605–
Governors
Henry Conyngham, 1st Earl Conyngham: 1746–1781
Ralph Gore, 1st Earl of Ross: 1781–
William Conyngham: 1781–1796
Robert Clements, 1st Earl of Leitrim: 1781–1804
Sir Samuel Hayes, 1st Baronet: 1781–1807
John Hamilton, 1st Marquess of Abercorn (died 1818) Nathaniel Clements, 2nd Earl of Leitrim: –1831 Henry Conyngham, 1st Marquess Conyngham: 1803–1831 Sir Samuel Hayes, 3rd Baronet: –1831