This is a list of people who have served as Lord-Lieutenant of Cavan.

There were lieutenants of counties in Ireland until the reign of James II, when they were renamed governors.^[1] The office of Lord Lieutenant was recreated on 23 August 1831, and is pronounced as 'Lord Lef-tenant'. The Lord Lieutenant also acted as Custos Rotulorum for the county.

Governors

• The 1st Earl of Bellomont
• The 2nd Earl of Farnham^[2]
• The 5th Baron Farnham: 1805–1831^[3]

Lord Lieutenants

• The 2nd Marquess of Headfort: 17 October 1831 – 6 December 1870
• The 1st Baron Lisgar: 3 April 1871 – 6 October 1876
• The 6th Earl of Lanesborough: 18 December 1876 – July 1900
• The 10th Baron Farnham: 18 July 1900 – 22 November 1900
• Colonel The Rt Hon. E.J. Saunderson, P.C., M.P.: 21 December 1900 – 21 October 1906
• The Rt Hon. Thomas Lough, P.C., M.P.: 15 March 1907 – 11 January 1922