Col du Lautaret (2,058 m (6,752 ft)) is a high mountain pass in the department of Hautes-Alpes in France.
It marks the boundary between the valleys of the Romanche and the Guisane, a tributary of the Durance which has its source at the col. The valleys are linked by the route départementale 1091 (formerly the national route 91) (Grenoble – Le Bourg-d'Oisans – Briançon). The Lautaret is one of the lowest points on the ridge line which separates the "north" (mainly in the Rhône-Alpes région) and "south" (mainly in the Provence-Alpes-Côte d'Azur région) geographic areas of the French Alps.