The Venerable Horace Edward Samuel Sneade Lambart, 11th Earl of Cavan TD (25 August 1878 – 9 December 1950) was an Anglo-Irish soldier and Anglican priest. The title Earl of Cavan was created in the Peerage of Ireland in 1647 for Charles Lambart, 2nd Baron Lambart. Horace Lambart was heir to the title when the Irish Free State was created in 1922. Roger Lambart, 13th Earl of Cavan, is the present holder of the title. There is no heir.