This is a list of people who have served as Lord Lieutenant of Cumberland. From 1765 to 1974, all Lord Lieutenants were also Custos Rotulorum of Cumberland.

• Henry Hastings, 3rd Earl of Huntingdon 20 August 1586 – 14 December 1595
• vacant?
• George Clifford, 3rd Earl of Cumberland 1603–1605
• vacant?
• Francis Clifford, 4th Earl of Cumberland 27 October 1607 – 31 August 1639 jointly with
• George Home, 1st Earl of Dunbar 27 October 1607 – 20 January 1611 and
• Theophilus Howard, 2nd Earl of Suffolk 27 October 1607 – 31 August 1639 and
• Henry Clifford, 1st Baron Clifford 27 October 1607 – 31 August 1639 and
• Algernon Percy, 10th Earl of Northumberland 13 November 1626 – 31 August 1639 and
• Thomas Howard, 21st Earl of Arundel 23 July 1632 – 1642 and
• Henry Howard, Lord Maltravers 23 July 1632 – 1642
• Interregnum
• Charles Howard, 1st Earl of Carlisle 1 October 1660 – 24 February 1685
• Thomas Tufton, 6th Earl of Thanet 3 March 1685 – 1687
• Richard Graham, 1st Viscount Preston 29 August 1687 – 1688
• Sir John Lowther, 2nd Baronet 8 April 1689 – 1694
• Charles Howard, 3rd Earl of Carlisle 28 June 1694 – 1 May 1738
• Henry Lowther, 3rd Viscount Lonsdale 1 June 1738 – 7 March 1751
• Charles Wyndham, 2nd Earl of Egremont 23 April 1751 – 1759
• James Lowther, 1st Earl of Lonsdale 13 December 1759 – 24 May 1802
• William Lowther, 1st Earl of Lonsdale 26 June 1802 – 19 March 1844
• William Lowther, 2nd Earl of Lonsdale 3 May 1844 – 1868
• Henry Lowther, 3rd Earl of Lonsdale 14 December 1868 – 15 August 1876
• Josslyn Francis Pennington, 5th Baron Muncaster 3 October 1876 – 30 March 1917
• Hugh Lowther, 5th Earl of Lonsdale 22 May 1917 – 13 April 1944
• Frescheville Hubert Ballantine-Dykes 5 April 1944 – 1949
• Sir Robert Christopher Chance 19 April 1949 – 1958
• Sir Frederick Fergus Graham, 5th Baronet 12 December 1958 – 1968
• John Charles Wade 27 May 1968 – 31 March 1974

The county became part of Cumbria on 31 March 1974. See Lord Lieutenant of Cumbria.