Doubs ( DOO; French: [du] ; Arpitan: Dubs) is an administrative department in the northeastern French region of Bourgogne-Franche-Comté . Named after the river Doubs, it had a population of 543,974 in 2019. Its prefecture is Besançon and subprefectures are Montbéliard and Pontarlier.

Situated in the east of France and the east of Bourgogne-Franche-Comté region, it shares a border with Switzerland of almost 170 km and most of its territory is located in the Jura Mountains. Its highest point is the Mont d'Or (1,463 m), and the three main rivers that flow through it are the Doubs, the Ognon and the Loue.

Economically, the Doubs département is one of the most industrialised in France, specialising in car manufacturing with the historic location of the Peugeot plant (Stellantis group) in Sochaux, metalworking and food processing.