| Cisery | |
| Coordinates: | 47.5117°N 4.0619°W |
| Insee: | 89109 |
| Postal Code: | 89420 |
| Arrondissement: | Avallon |
| Canton: | Chablis |
| Commune: | Guillon-Terre-Plaine |
| Elevation Min M: | 207 |
| Elevation Max M: | 258 |
| Area Km2: | 4.70 |
| Population: | 57 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Cisery (in French pronounced as /sizʁi/) is a former commune in the Yonne department in Bourgogne-Franche-Comté in north-central France. On 1 January 2019, it was merged into the new commune Guillon-Terre-Plaine.[2]