| La Chapelle-Monthodon | |
| Arrondissement: | Château-Thierry |
| Canton: | Condé-en-Brie |
| Insee: | 02161 |
| Postal Code: | 02330 |
| Commune: | Vallées-en-Champagne |
| Coordinates: | 49.0236°N 3.6364°W |
| Elevation M: | 113 |
| Elevation Min M: | 112 |
| Elevation Max M: | 254 |
| Area Km2: | 14.28 |
| Population: | 199 |
| Population Date: | 2021 |
| Population Footnotes: | [1] |
La Chapelle-Monthodon (in French pronounced as /la ʃapɛl mɔ̃tɔdɔ̃/) is a former commune in the department of Aisne in the Hauts-de-France region of northern France. On 1 January 2016, it was merged into the new commune Vallées-en-Champagne.[2]