Joncherey (French pronunciation: [ʒɔ̃ʃʁɛ]) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France that is known for being the place where the Skirmish at Joncherey, the first battle on the Western Front happened.

French corporal Jules André Peugeot was stationed in the village of Joncherey, southeast of Belfort, when he challenged a German army patrol, which had crossed the border few hours earlier.

In response, the German officer commanding the patrol, Albert Mayer, pulled out his revolver and fired, hitting Peugeot in the shoulder.

Peugeot's comrades then fired repeatedly at Mayer, shooting him first in the stomach and then in the head, killing him.

The average annual rainfall is 1,086.9 mm (42.79 in) with December as the wettest month.