Francis D'Oyly (junior)

Sir Francis D'Oyly K.C.B.
Born	1776 (1776)
Died	18 June 1815 (1815-06-19)
Allegiance	United Kingdom
Service/branch	British Army
Rank	Lieutenant colonel
Battles/wars	Napoleonic Wars Walcheren Campaign Peninsular War Battle of Salamanca Battle of Vitoria Battle of the Pyrenees Battle of Nivelle Battle of Orthez Waterloo Campaign Waterloo

Lieutenant-Colonel Sir Francis D'Oyly KCB (1776 – 18 June 1815) was a British Army officer. He was the third son of Matthias and Mary D'Oyly.

Commissioned into the 1st Regiment of Guards, D'Oyly served with them during the 1799 Anglo-Russian expedition to the Netherlands in 1799. He returned to the Netherlands in the Walcheren Campaign of 1809. On 2 July 1811, both he and his brother Henry were promoted from captains to majors in the army. On 6 October 1812, he was given command of a company in the Guards as a brevet major after the death of Lt-Col. Colquitt. He then served under the Duke of Wellington in the British Army's campaign in the Spanish Peninsula and France, after which he was made a KCB. He again served under Wellington during the Hundred Days and was killed at the battle of Waterloo.