|Born||5 November 1727|
|Allegiance||Kingdom of Great Britain|
|Battles/wars||Seven Years' War|
Lieutenant-General William Keppel (5 November 1727 – March 1782) was a British Army officer and Member of Parliament.
He joined the British Army as an Ensign in the 2nd Foot Guards in 1744, and was promoted lieutenant in 1745. He transferred as captain-lieutenant to the 1st Foot Guards in 1751, and was promoted captain and lieutenant-colonel in 1752 and a colonel of the Army in 1760. On 17 December 1761 he was appointed colonel of the 56th Regiment of Foot, which he commanded until 1765. He was made major-general in 1762. 
In 1762, he took part (with his brothers the Earl of Albemarle and Hon. Augustus Keppel) in the British expedition against Cuba, and directed the storming of Morro Castle. In 1763, he succeeded Albemarle as British Governor of Cuba. The island was returned to Spain in July 1763.
He was Commander-in-Chief, Ireland in 1773. On 18 October 1775 he was appointed colonel of the 12th Royal Lancers, which he commanded until his death. He was Gentleman of the Horse to George III of England and died unmarried in 1782.
- "KEPPEL, Hon. William (1727-82)". History of Parliament Online. Retrieved 5 March 2018.
- The Capture of Havana, 1762: The Morro Castle and the Boom Defence Before the Attack National Maritime Museum
- Richard Cannon, Historical Record of the Fifty-Sixth, or the West Essex Regiment of Foot
Hon. Charles Roper
| Page of Honour
| Gentleman of the Horse
|Parliament of Great Britain|
Lord George Henry Lennox
| Member of Parliament for Chichester
With: John Page 1767–68
Thomas Conolly 1768–80
Thomas Steele 1780–82
Percy Charles Wyndham
Lord Charles Manners
| Colonel of the 56th Regiment of Foot
| Colonel of the 14th Regiment of Foot
| Commander-in-Chief, Ireland
The Lord Heathfield
Sir William Augustus Pitt
| Colonel of the
12th (The Prince of Wales's)
Regiment of (Light) Dragoons
George Lane Parker