General Sir Andrew Francis Barnard GCB GCH (1773 – 17 January 1855) was an Irish British Army officer. He served in various capacities in the West Indies, the Cape of Good Hope, Canada, the Netherlands, Sicily, Spain and in the Napoleonic Wars including the Battle of Waterloo for which service he was highly decorated. After his retirement from active duty, he served in a number of civilian positions, being promoted to general four years before his death.
Barnard was born at Fahan, County Donegal, Ireland. He was the son of the Rev. Dr. Henry Barnard, of Bovagh, County Londonderry (second son of William Barnard, Bishop of Derry, and brother of Thomas Barnard, Bishop of Limerick), by his second wife, Sarah neé Robertson of Bannbrook, County Londonderry.
He entered the army in Scotland as an ensign in the 90th Regiment of Foot in August, 1794, became a lieutenant in the 81st Regiment of Foot in September and a captain in November of the same year. He served in St. Domingo from April till August, 1795, and on 2 December was transferred to the 55th Regiment.