Charles Bruce, 3rd Earl of Ailesbury (later styled Aylesbury) and 4th Earl of Elgin (29 May 1682 – 10 February 1747), of Ampthill, Bedfordshire and Savernake Park, Wiltshire, styled Viscount Bruce of Ampthill from 1685 to 1741, was a British landowner and Tory politician who sat in the English and British House of Commons from 1705 until 1711 when he was raised to the peerage as one of Harley's Dozen and sat in the House of Lords.