This is a list of lords lieutenants of County Down. The office was created on 23 August 1831.
The 3rd Marquess of Downshire: 7 October 1831 – 12 April 1845
The 4th Marquess of Londonderry: 17 May 1845 – 1864
The Lord Dufferin and Clandeboye: 13 April 1864 – 12 February 1902, later Earl of Dufferin and Marquess of Dufferin and Ava
The 6th Marquess of Londonderry: 16 April 1902 – 8 February 1915
The 7th Marquess of Londonderry: 8 September 1915 – 11 February 1949
The 4th Earl of Kilmorey: 2 June 1949 – 1959
Sir Roland Nugent, 1st Bt.: 10 March 1959 – 18 August 1962
The 6th Earl of Clanwilliam: 25 September 1962 – 1979
Colonel William Norman Brann O.B.E, E.R.D, D.L.: 2 October 1979 – 1990
William Stephen Brownlow: 17 August 1990 – 1996
Sir William Joseph Hall: 10 October 1996 – 1 August 2009
David Lindsay: 25 August 2009 - Present
