| Thillois | |
| Commune Status: | Commune |
| Arrondissement: | Reims |
| Canton: | Fismes-Montagne de Reims |
| Insee: | 51569 |
| Postal Code: | 51370 |
| Mayor: | Denis Poncelet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CU Grand Reims |
| Coordinates: | 49.2567°N 3.955°W |
| Elevation M: | 89 |
| Area Km2: | 6.35 |
Thillois (in French pronounced as /tilwa/) is a commune in the Marne department in north-eastern France.