List of Sub Districts in Thiruvarur
| ID | States/UTs | Districts | SubDistricts |
|---|---|---|---|
| 1 | Tamil Nadu | Thiruvarur | Koothanallur |
| 2 | Tamil Nadu | Thiruvarur | Kudavasal |
| 3 | Tamil Nadu | Thiruvarur | Mannargudi |
| 4 | Tamil Nadu | Thiruvarur | Nannilam |
| 5 | Tamil Nadu | Thiruvarur | Needamangalam |
| 6 | Tamil Nadu | Thiruvarur | Thiruthuraipoondi |
| 7 | Tamil Nadu | Thiruvarur | Thiruvarur |
| 8 | Tamil Nadu | Thiruvarur | Valangaiman |