Henry Thomas Cary, 8th Viscount Falkland (27 February 1766 – 28 May 1796), styled Master of Falkland from 1780 to 1785, was a Scottish peer and British Army officer.
He became the heir apparent to his grandfather, Lucius Cary, 7th Viscount Falkland after his father died in 1780, and succeeded his grandfather in the peerage on 27 February 1785.
On 27 January 1790, he exchanged into the 12th Regiment of Foot, and retired from the Army as a lieutenant in December.
[8] Falkland died unmarried at the White Lion Inn in Bath, Somerset on 28 May 1796 and was buried in that city.
He was succeeded by his brother Charles Cary, 9th Viscount Falkland.