George Baillie-Hamilton, 12th Earl of Haddington

Sir George Baillie-Hamilton, 12th Earl of Haddington KT MC TD FRSE (18 September 1894 – 17 April 1986), was a Scottish peer from 1917 to 1986.

Haddington was the son of Brigadier-General George Baillie-Hamilton, Lord Binning and Katherine Salting (d.1952).

He was educated at Eton and thenSandhurst. He was awarded the Military Cross during the First World War. He succeeded his grandfather in the earldom in 1917. In the Second World War he was a Wing Commander in the RAFVR. He was Lord Lieutenant of Berwickshire from 1952 to 1969. In 1957 he became the first president of the Georgian Group of Edinburgh, later the Architectural Heritage Society of Scotland. He lived at Tyninghame House in East Lothian, where he and his wife created and replanted several formal gardens.

His daughter, Lady Mary, was one of Queen Elizabeth II's maids of honour at the coronation in 1953.

He fought in the First World War, as a Captain in the service of the 2nd Dragoons (Royal Scots Greys), where he was wounded. He went on to gain the rank of Wing Commander in the Royal Air Force Volunteer Reserve; and Major in the 19th Lothians and Border Horse Armoured Car Company Territorial Army, as well as Captain of the Royal Company of Archers.