James Frederick Lyon

Sir James Frederick Lyon, KCB GCH (1775–1842) was an officer of the British Army and Governor of Barbados.

Sir James Lyon joined the 25th Regiment of Foot as ensign on 4 August 1791. He received the ranks of Lieutenant on 26 April 1793, Captain on 5 April 1795, Major on 21 February 1799, Lieutenant-Colonel on 13 May 1802, Colonel on 4 June 1811, Major General on 4 June 1814 and Lieutenant General on 22 July 1830.

Sir James Lyon commanded a detachment of the 24th Regiment of Foot on board of the Marlborough, in Lord Howe's sections of the 27 and 28 May and 1 June 1794. He was also present with the 97th Regiment of Foot at the battle of Alexandria in Egypt, and received a medal and one clasp for the Battle of Vimeiro and the Battle of Talavera.

He was Colonel of the 24th Regiment of Foot, from 7 September 1829.

He was Knight Commander of the Order of the Bath and Knight Grand Cross of the Royal Guelphic Order.