The title of Earl of Orford was created several times in British history - in the Peerage of England in 1697, in the Peerage of Great Britain in 1742 for former prime minister Robert Walpole, and in the Peerage of the United Kingdom in 1806 for Lord Walpole, Walpole's distant relation. The most recent title became extinct in 1931.

Earls of Orford, Peerage of England (1697)

subisidiary titles Viscount Barfleur (1697) and Baron Shingay (1697)

• Edward Russell, 1st Earl of Orford (1652-1727)

Earls of Orford, Peerage of Great Britain (1742)

subsidiary titles Viscount Walpole (1742) and Baron Houghton (1742).

• Robert Walpole, 1st Earl of Orford (1676-1745)
• Robert Walpole, 2nd Earl of Orford (1701-1751)
• George Walpole, 3rd Earl of Orford (1730-1791)
• Horatio Walpole, 4th Earl of Orford (1717-1797)

Earls of Orford, Peerage of the United Kingdom (1806)

subsidiary titles Baron Walpole (1723), Baron Walpole of Wolterton (1756)

• Horatio Walpole, 1st Earl of Orford (1723-1809)
• Horatio Walpole, 2nd Earl of Orford (1752-1822)
• Horatio Walpole, 3rd Earl of Orford (1783-1858)
• Horatio Walpole, 4th Earl of Orford (1813-1894)
• Robert Horace Walpole, 5th Earl of Orford (1854-1931)