| Messery | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Messery.svg |
| Arrondissement: | Thonon-les-Bains |
| Canton: | Sciez |
| Insee: | 74180 |
| Postal Code: | 74140 |
| Mayor: | Serge Bel[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Thonon Agglomération |
| Coordinates: | 46.3506°N 6.2936°W |
| Area Km2: | 9.2 |
Messery is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.