| Thaas | |
| Commune Status: | Commune |
| Arrondissement: | Épernay |
| Canton: | Vertus-Plaine Champenoise |
| Insee: | 51565 |
| Postal Code: | 51230 |
| Mayor: | Patrice Barbier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Sud Marnais |
| Coordinates: | 48.6492°N 3.8803°W |
| Elevation M: | 89 |
| Area Km2: | 10.47 |
Thaas is a commune in the Marne department in north-eastern France.