The seignory of Lac-Mitis (French: seigneurie du Lac-Mitis) was a seignory during the French colonisation of New France. It was located in present-day La Mitis Regional County Municipality in Bas-Saint-Laurent.[1] It was granted to Louis Rouer de Villeray by Louis de Buade de Frontenac, the governor of New France, on February 10, 1693.