Vallorcine (French pronunciation: [valɔʁsin]) is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in southeastern France.

Vallorcine is located in the Valley of the L'Eau Noire between the Col des Montets and the Swiss border.

It is the terminus of the Saint-Gervais–Vallorcine railway on the route between Saint-Gervais-les-Bains in France and Martigny in Switzerland; it is served by a railway station where passengers must change between French and Swiss trains. In the Swiss direction, the line continues to Le Châtelard where it joins the Martigny–Châtelard Railway which is partially rack-operated.

There is a small museum at Barberine next to the Swiss border and there is a tourist information office and a post office near the railway station.

Within the commune is the small settlement of Le Buet, which also has its own railway station; it is the location of the spectacular Cascade de Bérard, which has a viewing gallery that enters the gorge of the main waterfall.