Olivier Marleix (born 6 February 1971) is a French politician of the Republicans (LR)[1] who has been representing the 2nd constituency of the Eure-et-Loir department in the National Assembly since 2012.

[2] In addition to his committee assignments, he is a member of the French-Moroccan Parliamentary Friendship Group.

[3] In 2018, Marleix was appointed to the shadow cabinet of The Republicans leader Laurent Wauquiez and tasked with the industry portfolio.

[4] After Christian Jacob's election as party leader, Marleix announced his candidacy to succeed him as leader of the party's parliamentary group in the National Assembly in November 2019; he eventually lost to Damien Abad of Ain.

[9] Ahead of the 2022 presidential election, he publicly declared his support for Michel Barnier as the Republicans' candidate.