Hamilton Boyle, 6th Earl of Cork and 6th Earl of Orrery (3 February 1729 – 17 January 1764) was the son of John Boyle, 5th Earl of Cork and Henrietta Douglas. He inherited the titles of 6th Earl of Cork and Orrery and 3rd Baron Boyle of Marston from his father in 1762.
He served in the Parliament of Great Britain as Member of Parliament (MP) for Warwick between 1751 and 1762, and represented Charleville in the Irish House of Commons between 1759 and 1761. He was unmarried and was succeeded by his brother.
| Parliament of Ireland | ||
|---|---|---|
| Preceded by John Lysaght Edward Barry |
Member of Parliament for Charleville with Edward Barry 1759 – 1761 |
Succeeded by Robert Barry Richard Longfield |
| Parliament of Great Britain | ||
| Preceded by Henry Archer John Spencer |
Member of Parliament for Warwick with Henry Archer 1761 – 1762 |
Succeeded by Henry Archer Paul Methuen |
| Peerage of Ireland | ||
| Preceded by John Boyle |
Earl of Cork 1762–1764 |
Succeeded by Edmund Boyle |