Earl of Buckinghamshire is a title in the Peerage of Great Britain created in 1746.

The Earl holds the subsidiary title of Baron Hobart (1728), also in the Peerage of Great Britain, and is an English baronet (1611).

Earls of Buckinghamshire (1746)

• John Hobart, 1st Earl of Buckinghamshire (1695-1756)
• John Hobart, 2nd Earl of Buckinghamshire (1723-1793)
• George Hobart, 3rd Earl of Buckinghamshire (1731-1804)
• Robert Hobart, 4th Earl of Buckinghamshire (1760-1816)
• George Robert Hobart-Hampden, 5th Earl of Buckinghamshire (1789-1849)
• Augustus Edward Hobart-Hampden, 6th Earl of Buckinghamshire (1793-1885)
• Sidney Carr Hobart-Hampden-Mercer-Henderson, 7th Earl of Buckinghamshire (1860-1930)
• John Hampden Mercer-Henderson, 8th Earl of Buckinghamshire (1906-1963)
• Vere Frederick Cecil Hobart-Hampden, 9th Earl of Buckinghamshire (1901-1963)
• George Miles Hobart-Hampden, 10th Earl of Buckinghamshire (b. 1944)