| Official Name: | Sidi Thabet |
| Native Name: | سيدي ثابت |
| Settlement Type: | Commune and town |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Tunisia |
| Subdivision Name1: | Ariana Governorate |
| Unit Pref: | Imperial |
| Population As Of: | 2014 |
| Population Total: | 11385 |
| Utc Offset: | +1 |
Sidi Thabet is a town and commune (municipality) in the Ariana Governorate, Tunisia.
As of 2004, it had a total population of 8,909.[1]
It is suggested as the most plausible site for the Ancient Roman city and former bishopric Cissita, which remains a Latin Catholic titular see.