Lord Lieutenant of Monaghan
This is a list of people who have served as Lord Lieutenant of County Monaghan.
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.
Governors
- Edward Blayney, 1st Baron Blayney 1604–
- Cadwallader Blayney, 7th Baron Blayney c.1713–
- Charles Talbot Blayney, 8th Baron Blayney c.1735–
- William Fortescue, 1st Earl of Clermont: 1775–1806
- Warner Westenra, 2nd Baron Rossmore: –1831
- Charles Powell Leslie: 1802–1831
Lord Lieutenants
- The 2nd Baron Rossmore: 7 October 1831 – 1836
- The 3rd Baron Rossmore: 13 June 1836 – 6 December 1858
- Charles Powell Leslie: 1858 – 26 June 1871
- The 1st Earl of Dartrey: 18 October 1871 – 12 May 1897
- The 5th Baron Rossmore: 18 June 1897 – 31 January 1921
- Sir John Leslie, 2nd Bt.: 18 March 1921 – 1922