Vice Admiral Sir Henry Kellett, KCB (2 November 1806 – 1 March 1875) was an Irish naval officer and explorer.

Born at Clonacody in Tipperary County, Ireland, on 2 November 1806,[1] Kellett joined the Royal Navy in 1822.

[2] He spent three years in the West Indies and then served on survey vessels under William Fitzwilliam Owen in Africa, as second-in-command of HMS Sulphur under Edward Belcher in the East Indies,[1] and as captain of HMS Starling in the First Opium War with China during which he was promoted to commander in 1841 and post-captain in 1842.

During this voyage he sailed through the Bering Strait across the Chukchi Sea and discovered Herald Island.

In 1852, he commanded HMS Resolute and went to the aid of Robert McClure, whose vessel, Investigator, was trapped in the Arctic.