| Courdemanges | |
| Commune Status: | Commune |
| Arrondissement: | Vitry-le-François |
| Canton: | Vitry-le-François-Champagne et Der |
| Insee: | 51184 |
| Postal Code: | 51300 |
| Mayor: | Claude Cotton[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Vitry, Champagne et Der |
| Coordinates: | 48.6961°N 4.5425°W |
| Elevation M: | 102 |
| Area Km2: | 19.16 |
Courdemanges (in French pronounced as /kuʁdəmɑ̃ʒ/) is a commune in the Marne department in north-eastern France.