William Legge, 10th Earl of Dartmouth

The Right Honourable The Earl of Dartmouth FCA
Deputy Chair of the UK Independence Party
In office 24 February 2016 – 22 January 2018 Served alongside Diane James (2016) Suzanne Evans (2016–2017)
Leader	Nigel Farage Diane James Paul Nuttall Steve Crowther[1] (acting) Henry Bolton
Preceded by	Neil Hamilton
Succeeded by	Margot Parker
UKIP Spokesperson for International Trade
In office 24 February 2016 – 22 January 2018
Preceded by	Roger Knapman
Succeeded by	Vacant
Member of the European Parliament for South West England
In office 14 July 2009 – 1 July 2019
Preceded by	Roger Knapman
Succeeded by	James Glancy
Member of the House of Lords Lord Temporal
In office 14 December 1997 – 11 November 1999 as a hereditary peer
Preceded by	Gerald Legge
Succeeded by	Seat abolished
Personal details
Born	(1949-09-23) 23 September 1949 (age 75) Westminster, London, England
Political party	Independent (2018–present) UK Independence Party (2007–2018)
Other political affiliations	Conservative (before 2007)
Spouse	Fiona Campbell ​ (m. 2009)​
Domestic partner	Claire Kavanagh
Children	1
Parents	Gerald Legge, 9th Earl of Dartmouth (father) Raine McCorquodale (mother)
Education	Eton College
Alma mater	Christ Church, Oxford Harvard Business School
Website	williamdartmouth.com

William Legge, 10th Earl of Dartmouth FCA (born 23 September 1949), styled Viscount Lewisham from 1962 to 1997, is a British politician and hereditary peer, usually known as William Dartmouth.

From 2009 to 2019, Dartmouth sat in the European Parliament as a Member of the European Parliament (MEP) for South West England. He was elected for the UK Independence Party (UKIP) and served as national spokesman on trade from 2010 to 2018.^[2] He resigned from UKIP in 2018 due to his dissatisfaction with the direction of the party.