Marcus John Hudson Fysh (born 8 November 1970) is a British politician and former investment manager who has served as the Member of Parliament (MP) for Yeovil since 2015. A member of the Conservative Party, he served as Parliamentary Under-Secretary of State for Exports from September 2022 until 27 October 2022. Fysh was a supporter of Leave Means Leave, a pro-Brexit lobby group; he campaigned to leave the European Union (EU) in the 2016 referendum. He is a regular contributor to The Telegraph as well as writing a weekly column in the Western Gazette.