| Type: | canton |
| Oyonnax-Sud | |
| Seat: | Oyonnax |
| Nbcomm: | 5 |
| Insee: | 01 41 |
| Pop: | 19038 |
| Population As Of: | 2012 |
| Disbanded: | 2015 |
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).[1]
The canton comprised 5 communes:[1]