Saint-Chaffrey (French pronunciation: [sɛ̃ ʃafʁɛ]; Occitan: Sant Chafrei) is an alpine commune in the Hautes-Alpes department in the Provence-Alpes-Côte d'Azur region in Southeastern France.

Saint-Chaffrey is located in the Valley of the Guisane, on the road to Grenoble, between La Salle-les-Alpes to the northwest and Briançon to the southeast.

The commune of Saint-Chaffrey encompasses the villages of Saint-Chaffrey, Chantemerle, Villard-Laté and La Gérarde.

It is situated at the heart of the Serre Chevalier ski resort, which has slopes that serve Chantemerle.

[3] Several stages of the Tour de France have started or finished in the commune of Saint-Chaffrey:[5]