| La Chapelle-Lasson | |
| Commune Status: | Commune |
| Arrondissement: | Épernay |
| Canton: | Vertus-Plaine Champenoise |
| Insee: | 51127 |
| Postal Code: | 51260 |
| Mayor: | Alain Basson[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Sézanne-Sud Ouest Marnais |
| Coordinates: | 48.6281°N 3.8331°W |
| Elevation M: | 78 |
| Area Km2: | 15.04 |
La Chapelle-Lasson (pronounced as /fr/) is a commune in the Marne department in north-eastern France.