Canton of Oyonnax-Sud

The canton of Oyonnax-Sud is a former canton (administrative division) in eastern France. It was disbanded following the French canton reorganisation that came into effect in March 2015. It had 19,038 inhabitants (2012).

The canton comprised 5 communes:
 * Bellignat
 * Géovreisset
 * Groissiat
 * Martignat
 * Oyonnax (partly)