The canton of Oyonnax-Sud is an administrative division in eastern France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

. It includes the following communes:
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| Bellignat

Bellignat

Bellignat is a commune in the Ain department in eastern France.-Population:-External links:*...

 || align="right" | 3 488 || align="right" | 01100 || align="right" | 01031
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| Géovreisset

Géovreisset

Géovreisset is a commune in the Ain department in eastern France.-References:*...

 || align="right" | 759 || align="right" | 01100 || align="right" | 01171
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| Groissiat

Groissiat

Groissiat is a commune in the Ain department in eastern France.-Population:...

 || align="right" | 747 || align="right" | 01100 || align="right" | 01181
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| Martignat

Martignat

Martignat is a commune in the Ain department in eastern France.-Population:...

 || align="right" | 1 265 || align="right" | 01100 || align="right" | 01237
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| Oyonnax

Oyonnax

Oyonnax is a commune in the Ain department in the Rhône-Alpes region in eastern France.It is the second largest commune in the department. Its residents are known as Oyonnaxiens.-Population:-Miscellaneous:...

|| align="right" | 24 162 || align="right" | 01100 || align="right" | 01283
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