The canton of Firminy is a French administrative division located in the department of Loire and the Auvergne-Rhône-Alpes region. It includes the following communes:^[2]

• Caloire
• Firminy
• Fraisses
• Saint-Paul-en-Cornillon
• Unieux

• Cantons of the Loire department

45°24′03″N 4°15′26″E / 45.4008°N 4.2571°E / 45.4008; 4.2571