David Albert Charles Armstrong-Jones, Viscount Linley (born 3rd November 1961), known professionally as David Linley, is an English furniture maker and chairman of the auction house Christie's UK. The son of Princess Margaret, Countess of Snowdon, and Antony Armstrong-Jones, 1st Earl of Snowdon; he is 14th in the line of succession to the British Throne and heir-apparent to the Earldom of Snowdon.
Born at the Royal property, Clarence House, in London, Linley was educated at Bedales, where he developed a passion for arts and crafts. From 1980 to 1982 he studied at Parnham College for craftsmen in wood. He opened a workshop in Dorking where he designed and made furniture for three years before setting up his own company David Linley Furniture Ltd, now known as Linley, where he makes bespoke furniture, upholstery, and interior design products known for their neoclassical appearance and use of inlaid woods. He has written numerous books and lectured around the world.
On 1 December 2006 he took up the post of chairman of Christie's UK, having joined the board in 2005 as a non-executive director.
After romances with Susannah Constantine, Kate Menzies, and Nicola Formby, Lord Linley married The Hon. Serena Stanhope, a daughter of the Hon. Charles Stanhope (now Earl of Harrington), on 8 October 1993 at St. Margaret's Church.
His sister is Lady Sarah Chatto (née Armstrong-Jones), born 1 May 1964. He has a half-sister, Lady Frances von Hofmannsthal (née Armstrong-Jones), born 17 July 1979, who is a daughter of the 1st Earl of Snowdon by his second wife, Lucy Lindsay-Hogg. Viscount Linley has another half-sister who was born in 1960 (during his parent's marriage) and who a 2004 paternity test confirmed is a daughter of the 1st Earl of Snowdon. This half-sister is named Polly Fry and was raised as the daughter of Jeremy Fry, inventor and member of the Fry's chocolate family, and his first wife, Camilla. Viscount Linley has a half-brother, Jasper Cable-Alexander (born 30 April 1998), who is a son of the 1st Earl of Snowdon with Melanie Cable-Alexander, an editor at Country Life magazine.