Briançon (French pronunciation: ​[bʁi.jɑ̃.sɔ̃]) a commune in the Hautes-Alpes department in the Provence-Alpes-Côte d'Azur region in southeastern France. It is a sub-prefecture of the department.

At an altitude of 1,326 metres (4,350 feet) it is the highest city in France, based on the French definition as a community containing more than 2,000 inhabitants. Briançon's most recent population estimate is 11,645.