Canton of Saint-Étienne-3

The canton of Saint-Étienne-3 (before 2015: Saint-Étienne-Nord-Ouest-2) is a French administrative division located in the department of Loire and the Auvergne-Rhône-Alpes region. It has the following communes:
 * Roche-la-Molière
 * Saint-Étienne (partly)
 * Saint-Genest-Lerpt