Lord Claud Nigel Hamilton GCVO CMG DSO (10 November 1889 – 22 August 1975) was a British Army officer and courtier.

[1] Lord Claud was born at Hampden House, 61 Green Street, Mayfair,[2] the seventh (but third surviving) son of James Hamilton, 2nd Duke of Abercorn and Lady Mary Anna Curzon-Howe.

[6] During the First World War, he was mentioned in despatches in 1914 for having "commanded a machine-gun for five days and nights without relief, with great effect and under severe fire.

In 1916, he was made an MVO as courtier to the Prince of Wales,[8] and in 1918 he became an Officer of the Order of the Crown of Italy[9] and was awarded the Croix de Guerre.

[16] In 1936, he was one of the escorts of the gun carriage at the King's funeral[17] and became Queen Mary's Comptroller, Treasurer and Extra Equerry that year.