科蒂安阿尔卑斯山脉是欧洲的山脉，是西阿尔卑斯山脉的一部分，横跨法国萨瓦省、上阿尔卑斯省和上普罗旺斯阿尔卑斯省与意大利库内奥省和都灵省，最高点海拔高度3,841米。

The Cottian Alps (/ˈkɒtiən ˈælps/; French:Alpes Cottiennes [alp kɔtjɛn]; Italian:Alpi Cozie [ˈalpi ˈkɔttsje]); are a mountain range in the southwestern part of the Alps. They form the border between France (Hautes-Alpes and Savoie) and Italy (Piedmont). The Fréjus Road Tunnel and Fréjus Rail Tunnel between Modane and Susa are important transportation arteries between France (Lyon, Grenoble) and Italy (Turin).