| Oisseau | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Oisseau.svg |
| Arrondissement: | Mayenne |
| Canton: | Gorron |
| Mayor: | Stéphane Manceau[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.3575°N -0.6694°W |
| Elevation M: | 163 |
| Elevation Min M: | 98 |
| Elevation Max M: | 190 |
| Area Km2: | 30.75 |
| Insee: | 53170 |
| Postal Code: | 53300 |
Oisseau (in French pronounced as /waso/) is a commune in the Mayenne department in north-western France.