James Hamilton, 5th Duke of Abercorn, (born 4 July 1934), styled Viscount Strabane until 1953 and Marquess of Hamilton between 1953 and 1979, is a British peer, courtier and politician.

The title Duke of Abercorn is a title in the Peerage of Ireland.

Alexandra Anastasia Hamilton, Duchess of Abercorn, (née Phillips; 27 February 1946 – 10 December 2018), usually known by family and friends as Sacha Abercorn, was a British peeress and philanthropist.

James Hamilton, 2nd Duke of Abercorn (24 August 1838 – 3 June 1913), styled Viscount Hamilton until 1868 and Marquess of Hamilton from 1868 to 1885, was a British nobleman, courtier, and diplomat.

James Hamilton, 1st Duke of Abercorn, (21 January 1811 – 31 October 1885), styled Viscount Hamilton from 1814 to 1818 and The Marquess of Abercorn from 1818 to 1868, was a British Conservative statesman who twice served as Lord Lieutenant of Ireland.