Julien Bargeton (born 29 March 1973) is a French politician who has served as a Senator for Paris since 2017.[1] A former member of the Socialist Party (PS), which he left in June 2017 to join La République En Marche! (LREM), he previously served as Deputy Mayor of Paris for Transport (2012–2014) under Bertrand Delanoë and for Finance (2014–2017) under Anne Hidalgo.
On 29 March 2008, shortly after his election to the Council of Paris, he assumed the first deputy mayorship of the 20th arrondissement, a position he held until 5 April 2014. On 9 July 2012, he was named Deputy Mayor of Paris for Transport by Mayor Bertrand Delanoë, succeeding Annick Lepetit. On 5 April 2014, he was named Deputy Mayor of Paris for Finance by newly-elected Mayor Anne Hidalgo, a position he held until his resignation on 6 October 2017 following his election to the Senate.