Jugon-les-Lacs (; ; Gallo: Jugon) is a former commune in the Côtes-d'Armor department of Brittany in northwestern France. On 1 January 2016, it was merged into the new commune Jugon-les-Lacs - Commune nouvelle, which was renamed Jugon-les-Lacs effective 2024.
The Arguenon river flows through the commune. The Arguenon's flow has been measured in Jugon-les-Lacs since 1972 at station J1103010 L'Arguenon, at an altitude of with a catchment area of .
People from Jugon-les-Lacs are known in French as jugonnais.