Sir Francis Cockburn (; 10 November 1780 – 24 August 1868) served in the British Army, played an important role in the early settlement of eastern Canada and was a colonial administrator. Cockburn was born in England in 1780. He was the fifth and last son of Sir James Cockburn, 8th Baronet (1729–1804) and his second wife Augusta Anne Ayscough. His maternal grandfather was Francis Ayscough, Dean of Bristol and Royal tutor. On 19 November 1804, at Harbledown, Kent, England, he married Alicia Arabella (1782-1854), daughter of Richard Sandys, a descendant of Archbishop Sandys. Military career He had first joined the 7th Dragoon Guards at the age of 19 and served in South America and the Iberian Peninsula. Following his marriage, he was sent to Canada in 1811 as a captain in the Canadian Fencibles and fought in the War of 1812 against the United States. He served with the Quartermaster-General for Upper Canada at York and Kingston. In 1815, he became assistant quartermaster-general for Upper Canada and assisted in settling immigrants near Perth in the Bathurst District.

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Sir Francis Cockburn (; 10 November 1780 – 24 August 1868) served in the British Army, played an important role in the early settlement of eastern Canada and was a colonial administrator.