Dudley Adrian Conroy Ryder, 8th Earl of Harrowby, DL (known as Conroy born 18 March 1951) is a British peer. He was known by the courtesy title of Viscount Sandon from 1987 until 2007.
Conroy Ryder was born on 18 March 1951. He is the only son of Dudley Ryder, 7th Earl of Harrowby, by his marriage to Jeanette Rosalthe Johnston-Saint. His sister is Lady Rosalthé Frances Rundall.
Harrowby was educated at Eton, the University of Newcastle upon Tyne, and Magdalene College, Cambridge. He became a director of Compton Street Securities in 1988.
Harrowby succeeded to the earldom on the death of his father on 9 October 2007. The family seat is Sandon Hall in Staffordshire, England. The family also resides at Burnt Norton House, made famous by T. S. Eliot's Four Quartets.
Harrowby was appointed as a Deputy Lieutenant of Staffordshire on 9 May 2017.
Harrowby was married firstly to Sarah Nichola Hobhouse Payne on 16 July 1977. They had four children:
Sarah died 29 December 1994. Harrowby was married secondly to Caroline Marks on 2 May 1998.