Claire Annabel Caroline Grant Duff (25 December 1870 – 12 January 1944), was a poet, writer and high society hostess. She published her memoir A Victorian Childhood in 1932 with Methuen Publishing.
She was the eldest daughter of Sir Mountstuart Grant Duff and Anna Julia Webster. She was the author of A Victorian Childhood, which was published in 1932, under the pen name Annabel Jackson. She married in 1894 Frederick Huth Jackson, a partner of the Private Bank, Frederick Huth and Sons. They had one son, Frederick who married Helen Vinogradoff, daughter of the distignuished historian Sir Paul Vinogradoff, and three daughters, Konradin, later Lady Arthur Hobhouse, Anne, later Anne Fremantle, and Claire, later Countess de Loriol Chandieu.