Virginie Duby-Muller (born 16 August 1979) is a French politician of The Republicans (LR) who has been a member of the National Assembly since the 2012 elections, representing Haute-Savoie's 4th constituency.

[4] In the Republicans’ 2016 presidential primaries, Duby-Muller endorsed Nicolas Sarkozy as the party's candidate for the office of President of France.

When the primaries' winner François Fillon became embroiled in a political affair during his campaign, she was one of the LR members who publicly called on him to step down.

[5] Since the 2017 elections, Duby-Muller has been serving as one of the eleven deputy chairpersons of the Republicans' parliamentary group, under the leadership of chairman Christian Jacob.

In July 2019, Duby-Muller voted against the French ratification of the European Union’s Comprehensive Economic and Trade Agreement (CETA) with Canada.