List of Famous people with last name Cavan

Field Marshal Frederick Rudolph Lambart, 10th Earl of Cavan,, known as Viscount Kilcoursie from 1887 until 1900, was a British Army officer and Chief of the Imperial General Staff. He served in the Second Boer War, led XIV Corps during the First World War, and later advised the Government on the implementation of the Geddes report, which advocated a large reduction in defence expenditure; he presided over a major reduction in the size of the British Army.

Charles Lambart, 1st Earl of Cavan was an Anglo-Irish Royalist soldier and peer.

Charles Lambart, 3rd Earl of Cavan was an Irish peer.

Michael Edward Oliver Lambart, 12th Earl of Cavan was a hereditary peer. He succeeded his father in 1950.

Richard Lambart, 2nd Earl of the County of Cavan (1628–1690) was Member of Parliament for Kilbeggan between 1647 and 1649.