The Fort Duchère (French: fort de la Duchère, pronounced [fɔʁ də la dyʃɛʁ]) or Fort Balmont (French: fort de Balmont, pronounced [fɔʁ də balmɔ̃]) is located in the 9th arrondissement of Lyon.

Composed of five bastions built between 1844 and 1851, it is part of the first belt of fortifications in Lyon, which include: This fort was unusual for its star shape, evoking the style of Vauban fortification and construction.

It was originally built to defend Lyon in case the enemy managed to infiltrate Limonest by the road from Paris, more particularly by royal roads of Burgundy and Bourbonnais.

Decommissioned in 1957, the fort was used in the 1960s as a recruitment center for the army, then welcomed returning soldiers home from Algerian War.

When the neighborhood of Duchère was built, Fort Balmont became a sports complex that included Duchère Stadium and the Stephane-Diagana Athletic Hall.