Lambart
Lambart may refer to:
- Charles Lambart, 1st Earl of Cavan PC , MP for the rotten borough of Bossiney and a military commander
- Charles Lambart, 3rd Earl of Cavan, inherited the Earldom of Cavan in 1690 from Richard Lambart, 2nd Earl of Cavan
- Evelyn Lambart, Canadian animator and technical director with the National Film Board of Canada
- Ford Lambart, 5th Earl of Cavan, Irish peer and freemason
- Rudolph Lambart, 10th Earl of Cavan, KP, GCB, GCMG, GCVO, GBE, British Army commander during WWI
- Frederick Lambart, 8th Earl of Cavan, hereditary peer
- Frederick Lambart, 9th Earl of Cavan KP, PC, Irish peer who served in the Royal Navy and as a Liberal politician
- Horace Lambart, 11th Earl of Cavan, soldier and priest
- Michael Lambart, 12th Earl of Cavan, hereditary peer
- Oliver Lambart, 1st Baron Lambart, military commander and an MP in the Irish House of Commons
- Richard Lambart, 2nd Earl of Cavan, Member of Parliament for Kilbeggan between 1647 and 1649
- Richard Lambart, 4th Earl of Cavan PC , inherited the Earldom of Cavan in 1702 from Charles Lambart, 3rd Earl of Cavan
- Richard Lambart, 6th Earl of Cavan, Anglo-Irish peer and soldier
- Richard Lambart, 7th Earl of Cavan, military commander throughout the Napoleonic era and beyond
- Roger Lambart, 13th Earl of Cavan, hereditary peer
