Oignin
General data
- Name: Oignin
- Water system: Rhone
- Water type: River
- Progression: Ain -> Rhone -> Mediterranean Sea -> Atlantic Ocean -> Planet Earth
- Climates: Mountain
- Continents: Europe
- Countries: France
The Oignin is a French river that flows in the Ain department in the Auvergne -Rhône-Alpes region. It is a left tributary of the Ain, therefore a sub-tributary of the Rhône