Thibaut Monnier (born 24 February 1987) is a French politician of the National Rally. He was elected member of the National Assembly for Drôme's 4th constituency in 2024.^[1]

From 2014 to 2016, Monnier served as departmental secretary of the National Rally in Drôme.^[2] He was a regional councillor of Auvergne-Rhône-Alpes from 2015 to 2021,^[3] and was named leader of the National Rally in Isère in 2016.^[4] In the 2017 legislative election, he was a candidate for Isère's 8th constituency.^[3] He co-founded the Institut des sciences sociales, économiques et politiques in 2018, together with Marion Maréchal.^[5] He joined Reconquête in 2021, and was the party's candidate for Isère's 8th constituency in 2022.^[3]