| Onzain | |
| Image Coat Of Arms: | Blason ville fr Onzain (Loir-et-Cher).svg |
| Arrondissement: | Blois |
| Canton: | Veuzain-sur-Loire |
| Commune: | Veuzain-sur-Loire |
| Insee: | 41167 |
| Postal Code: | 41150 |
| Coordinates: | 47.5003°N 1.175°W |
| Elevation Min M: | 59 |
| Elevation Max M: | 119 |
| Area Km2: | 29.89 |
| Population: | 3246 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Onzain (in French pronounced as /ɔ̃zɛ̃/) is a former commune in the French department of Loir-et-Cher, administrative region of Centre-Val de Loire. On 1 January 2017, it was merged into the new commune Veuzain-sur-Loire.[2] In 2019 its population was 3,246.[1]
Onzain is twinned with Darley Dale, England and with Flein on the southern edge of Heilbronn, Baden-Württemberg, Germany.