| Rilly-la-Montagne | |
| Commune Status: | Commune |
| Arrondissement: | Reims |
| Canton: | Mourmelon-Vesle et Monts de Champagne |
| Insee: | 51461 |
| Postal Code: | 51500 |
| Mayor: | Alain Toullec[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CU Grand Reims |
| Coordinates: | 49.1658°N 4.0464°W |
| Elevation M: | 157 |
| Area Km2: | 8.87 |
Rilly-la-Montagne (in French pronounced as /ʁiji la mɔ̃taɲ/) is one of the Communes of the Marne department in north-eastern France. The railway tunnel in the area was used as a World War II V-1 flying bomb storage depot. Rilly-la-Montagne station has rail connections to Reims and Épernay.