Marylise Lebranchu (French pronunciation: [maʁiliz ləbʁɑ̃ʃy]; born 25 April 1947 in Loudéac, Côtes-d'Armor) is a French politician of the Socialist Party who served as Minister of the Reform of the State and of Decentralisation under Prime Minister Jean-Marc Ayrault.

In 1999, she lifted the French government's ban on sales of Coke, Sprite and Fanta produced at Coca-Cola Enterprises' Dunkirk site.

Lebranchu then served as a member of the National Assembly of France, representing Finistère's 4th constituency from 1997 to 2012.

During that time, she was part of the Socialiste, radical, citoyen et divers gauche parliamentary group.

[5] In this capacity, she drafted a plan in 2014 for measured wage civil service pay rises covering the 2017-2020 period.