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)
  • Henry Conyngham, 1st Marquess Conyngham: 1803–1831