General Sir John Doyle, 1st Baronet GCB, KCH (17568 August 1834) was an officer in the British Army, which he joined in March 1771. He served with distinction in the American War of Independence and the French Revolutionary Wars. He was elected MP for Mullingar in the Irish House of Commons in 1783, and went on to serve as Secretary of War in Irish politics. Doyle raised his own regiment, the 87th (Royal Irish Fusiliers) Regiment of Foot, for the French Revolutionary Wars in 1793 and served in Holland, Gibraltar and Egypt.