| Gissey-sous-Flavigny | |
| Commune Status: | Commune |
| Arrondissement: | Montbard |
| Canton: | Montbard |
| Insee: | 21299 |
| Postal Code: | 21150 |
| Mayor: | Marie-Christine Lenoir[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.5133°N 4.5914°W |
| Elevation M: | 281 |
| Elevation Min M: | 264 |
| Elevation Max M: | 458 |
| Area Km2: | 10.29 |
Gissey-sous-Flavigny (in French pronounced as /ʒisɛ su flaviɲi/, literally Gissey under Flavigny) is a commune in the Côte-d'Or department in eastern France.