Routhierville is an unorganized territory in the Bas-Saint-Laurent region of Quebec, Canada. The territory is bisected by the Matapédia River and Quebec Route 132 that runs parallel to it. There are two hamlets in the territory: the eponymous Routhierville (48°10′57″N 67°08′57″W / 48.18250°N 67.14917°W) and Milnikek (48°08′21″N 67°09′11″W / 48.13917°N 67.15306°W).