The Honourable Sir Mark Alexander Lennox-Boyd (born 4 May 1943) is a British Conservative politician.
Lennox-Boyd contested Brent South in October 1974, being defeated by Labour's Laurie Pavitt.
He was MP for Morecambe and Lonsdale from 1979 to 1983, and the (slightly renamed) Morecambe and Lunesdale from 1983 until his defeat by Labour's Geraldine Smith in 1997. He served as Parliamentary private secretary to Secretary of State for Energy 1981-83, to the Chancellor of the Exchequer 1983-1984, Assistant government whip 1984-86; a Lord Commissioner of HM Treasury (Government whip) 1986-88, Parliamentary private secretary to the Prime Minister, Margaret Thatcher 1988-90, and a Parliamentary Under-Secretary of state in the Foreign and Commonwealth Office 1990-94.
Lennox-Boyd is a member of the Court of the Fishmongers' company, Prime Warden 1998-99, and served as chairman of the Company's Education and Grants committee 2010-15. He is a trustee of the Georgian Group, and was chairman between 2014 and 2015. He is a Patron of Prisoners Abroad, a charity that supports the welfare of Britons imprisoned overseas and their families, and Patron of the British Sundial Society.
He is a son of Alan Lennox-Boyd, 1st Viscount Boyd of Merton. He is married to Arabella Parisi (born 1938), who is better known as Arabella Lennox-Boyd. Lady Lennox-Boyd was born in Italy, but left to settle in England where she later undertook a course in Landscape Architecture at Thames Polytechnic, which went on to become part of the University of Greenwich.