| Courthiézy | |
| Commune Status: | Commune |
| Arrondissement: | Épernay |
| Canton: | Dormans-Paysages de Champagne |
| Insee: | 51192 |
| Postal Code: | 51700 |
| Mayor: | Sylvain Bizzocchi[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.0531°N 3.5983°W |
| Elevation M: | 66 |
| Area Km2: | 5.89 |
Courthiézy (in French pronounced as /kuʁtjezi/) is a commune in the Marne department in north-eastern France.