| Nyoiseau | |
| Arrondissement: | Segré |
| Canton: | Segré |
| Insee: | 49233 |
| Postal Code: | 49500 |
| Commune: | Segré-en-Anjou Bleu |
| Coordinates: | 47.7172°N -0.915°W |
| Elevation M: | 53 |
| Elevation Min M: | 22 |
| Elevation Max M: | 97 |
| Area Km2: | 15.55 |
| Population: | 1185 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
| Demonym: | Nyoisien, Nyoisienne |
Nyoiseau (pronounced as /fr/) is a former commune in the Maine-et-Loire department in western France. On 15 December 2016, it was merged into the new commune Segré-en-Anjou Bleu.[2]
The river Oudon flows through the middle of the commune and forms part of its northern border.