Alexander Thynn, 7th Marquess of Bath, English lieutenant and politician
Alexander George Thynn, 7th Marquess of Bath (6 May 1932 – 4 April 2020), styled Viscount Weymouth between 1946 and 1992, was an English peer and landowner, owner of the Longleat estate, who sat in the House of Lords from 1992 until 1999, and also an artist and author.

Lord Bath was in the media spotlight for his hippy fashion-sense and his many "wifelets". The Sunday Times Rich List 2009 gave him an estimated wealth of £157 million.