The Earldom of Iddesleigh is a peerage in the Peerage of the United Kingdom. In 1885, the title, along with the Viscountcy of St Cyres, was conferred upon Stafford Henry Northcote, a poltician who served variously as Member of Parliament, President of the Board of Trade, Secretary of State for India, Chancellor of the Exchequer, First Lord of the Treasury and Foreign Secretary.

Earls of Iddesleigh (1885)

• Stafford Henry Northcote, 1st Earl of Iddesleigh (1818-1887)
• Walter Stafford Northcote, 2nd Earl of Iddesleigh (1845-1927)
• Henry Stafford Northcote, 3rd Earl of Iddesleigh (1901-1970)
• Stafford Henry Northcote, 4th Earl of Iddesleigh (1932-2004)
• John Stafford Northcote, 5th Earl of Iddesleigh (b. 1957)