Alexander George Thynn, 7th Marquess of Bath (6 May 1932 – 4 April 2020), styled Viscount Weymouth between 1946 and 1992, was an English politician, artist, and author. He was list at 359th in the "Sunday Times Rich List 2009" with a wealth of £157 million. He was born in London to Henry Thynne, 6th Marquess of Bath and Daphne Fielding. From 1992 to 2020, he was the Marquess of Bath.