Marcus John Hudson Fysh is a British politician and former investment manager who became the Member of Parliament (MP) for Yeovil in 2015. A member of the Conservative Party, he served as Parliamentary Under-Secretary of State for Exports from September 2022 until 27 October 2022.

Yeovil is a constituency in Somerset created in 1918 and represented in the House of Commons of the Parliament of the United Kingdom. It has been represented since 2015 by Marcus Fysh, a Conservative.