William Astor, 4th Viscount Astor

The Viscount Astor
Official portrait, 2025
Parliamentary Under-Secretary of State for National Heritage
In office
20 July 1994 – 6 July 1995
Prime MinisterJohn Major
Preceded byIain Sproat
Succeeded byThe Lord Inglewood
Parliamentary Under-Secretary of State for Social Security
In office
16 September 1993 – 20 July 1994
Prime MinisterJohn Major
Preceded byAnn Widdecombe
Succeeded byJames Arbuthnot
Lord-in-waiting
Government Whip
In office
11 October 1990 – 16 September 1993
Prime MinisterMargaret Thatcher
John Major
Preceded byThe Lord Cavendish of Furness
Succeeded byThe Lord MacKay of Ardbrecknish
Member of the House of Lords
Hereditary peerage
7 March 1966 – 11 November 1999
Preceded byThe 3rd Viscount Astor
Succeeded bySeat abolished
Elected Hereditary Peer
11 November 1999
Election1999
Preceded bySeat established
Personal details
BornWilliam Waldorf Astor III
(1951-12-27) 27 December 1951
PartyConservative
Spouse
(m. 1976)
Children3
Parents
RelativesSee Astor family
Alma materEton College
OccupationPolitician, businessman
Preview warning: Page using Template:Infobox officeholder with deprecated parameter "honorific-prefix". Replace with "honorific_prefix".
Preview warning: Page using Template:Infobox officeholder with deprecated parameter "primeminister3". Replace with "prime_minister3".
Preview warning: Page using Template:Infobox officeholder with deprecated parameter "honorific-suffix". Replace with "honorific_suffix".
Preview warning: Page using Template:Infobox officeholder with deprecated parameter "primeminister2". Replace with "prime_minister2".
Preview warning: Page using Template:Infobox officeholder with deprecated parameter "primeminister1". Replace with "prime_minister1".

William Waldorf Astor III, 4th Viscount Astor (born 27 December 1951) is an English businessman and politician who sits as a Conservative hereditary Lord Temporal in the House of Lords. He is a member of the prominent Astor family.