Arthur Desmond Colquhoun Gore, 9th Earl of Arran (born 14 July 1938), styled Viscount Sudley between 1958 and 1983, is a British peer and Lord Temporal in the House of Lords, sitting with the Conservative Party.

[1] He succeeded as 9th Earl of Arran of the Aran Islands on 23 February 1983, upon the death of his father.

She was appointed a Member of the Order of the British Empire (MBE) in the Queen's Birthday Honours 2008.

Lord and Lady Arran run the Fortescue family's stately home, Castle Hill House and gardens in Devon, as a venue for weddings and corporate hospitality.

[4] He has no son, but has two daughters: Since Lord Arran has no sons by his wife, and all other lines of descent from the 4th Earl of Arran have died out, his heir presumptive is currently his very distant cousin, William Henry Gore (born 1950), who lives in Australia, descended from the youngest brother of the 4th Earl.