Serge Janquin (born August 5, 1943) was a member of the National Assembly of France. He represented the Pas-de-Calais department between 1993 and 2017,[1] and was a member of the Socialiste, radical, citoyen et divers gauche group. He did not run for a sixth term in 2017. Ludovic Pajot from the National Front succeeded him.