| Marcy | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Quentin |
| Canton: | Saint-Quentin-2 |
| Insee: | 02459 |
| Postal Code: | 02720 |
| Mayor: | Elie Boutroy[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Saint-Quentinois |
| Coordinates: | 49.85°N 3.4°W |
| Elevation M: | 128 |
| Elevation Min M: | 74 |
| Elevation Max M: | 128 |
| Area Km2: | 7.3 |
Marcy (in French pronounced as /maʁsi/) is a commune in the Aisne department in Hauts-de-France in northern France.