Alexander Charles Hamilton, 10th Lord Belhaven and Stenton

Colonel Alexander Charles Hamilton, 10th Lord Belhaven and Stenton, TD DL JP FRGS (3 July 1840 – 31 October 1920) was a Scottish Liberal Unionist representative peer and a soldier.

Early life Hamilton was born on 3 July 1840. He was the son of geologist William Hamilton, MP for Newport, Isle of Wight and, his second wife, Hon. Margaret Frances Florence Dillon (a daughter of Henry Dillon, 13th Viscount Dillon). Among his siblings was Archibald William Hamilton, father of Robert Hamilton. As his son predeceased him without issue, he was succeeded by his nephew Robert, who legally changed his name to Udny-Hamilton in 1934. His widow died on 26 September 1932.