| Marchais-Beton | |
| Coordinates: | 47.8361°N 3.0492°W |
| Insee: | 89243 |
| Postal Code: | 89120 |
| Arrondissement: | Auxerre |
| Canton: | Charny Orée de Puisaye |
| Commune: | Charny-Orée-de-Puisaye |
| Elevation Min M: | 163 |
| Elevation Max M: | 203 |
| Area Km2: | 10.95 |
| Population: | 123 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Marchais-Beton is a former commune in the Yonne department, in Bourgogne-Franche-Comté in north-central France. On 1 January 2016, it was merged into the new commune of Charny-Orée-de-Puisaye.[2]