| Courcemain | |
| Commune Status: | Commune |
| Arrondissement: | Épernay |
| Canton: | Vertus-Plaine Champenoise |
| Insee: | 51182 |
| Postal Code: | 51260 |
| Mayor: | Gérard Lebrun[1] |
| Term: | 2023 - 2026 |
| Coordinates: | 48.6181°N 3.9203°W |
| Elevation M: | 83 |
| Area Km2: | 9.96 |
Courcemain (in French pronounced as /kuʁsəmɛ̃/) is a commune in the Marne department in north-eastern France.