| Saint-Agnan | |
| Arrondissement: | Château-Thierry |
| Canton: | Condé-en-Brie |
| Insee: | 02669 |
| Postal Code: | 02330 |
| Commune: | Vallées-en-Champagne |
| Coordinates: | 49.0211°N 3.5956°W |
| Elevation M: | 104 |
| Elevation Min M: | 87 |
| Elevation Max M: | 242 |
| Area Km2: | 8.07 |
| Population: | 93 |
| Population Date: | 2021 |
| Population Footnotes: | [1] |
Saint-Agnan (pronounced as /fr/) is a former commune in the department of Aisne in northern France. On 1 January 2016, it was merged into the new commune Vallées-en-Champagne.[2]