Sir Charles Hastings Doyle KCMG (10 April 1803[1] – 19 March 1883) was a British military officer who was the second Lieutenant Governor of Nova Scotia post Confederation and the first Lieutenant Governor of New Brunswick.

Born in London, England, the eldest son of Lieutenant-General Sir Charles William Doyle and Sophia Cramer Coghill, he attended the Royal Military College, Sandhurst, and joined the army as an ensign of the 24th (The 2nd Warwickshire) Regiment of Foot on 23 December 1819.

By April 1866 the menace of a Fenian invasion of New Brunswick was at its most serious, and Doyle quickly responded to Lieutenant Governor Gordon's request for military aid.

On 17 April 1866, he left Halifax with Royal Navy warships carrying over 700 British regulars and proceeded to Passamaquoddy Bay, where the Fenian force was concentrated, under the command of John O'Mahony.

[14] There is a full-length portrait of him by Adolphus Robert Venables in Province House (Nova Scotia).