| Passavant-en-Argonne | |
| Commune Status: | Commune |
| Arrondissement: | Châlons-en-Champagne |
| Canton: | Argonne Suippe et Vesle |
| Insee: | 51424 |
| Postal Code: | 51800 |
| Mayor: | Patrice Geant[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Argonne Champenoise |
| Coordinates: | 49.0242°N 5.0053°W |
| Elevation M: | 200 |
| Area Km2: | 7.24 |
Passavant-en-Argonne (in French pronounced as /pasavɑ̃ ɑ̃.n‿aʁɡɔn/, literally Passavant in Argonne) is a commune in the Marne department in north-eastern France.