List of Sub Districts in Ramanathapuram
| ID | States/UTs | Districts | SubDistricts |
|---|---|---|---|
| 1 | Tamil Nadu | Ramanathapuram | Paramakudi |
| 2 | Tamil Nadu | Ramanathapuram | Ramanathapuram |
| 3 | Tamil Nadu | Ramanathapuram | Rameswaram |
| 4 | Tamil Nadu | Ramanathapuram | Kamuthi |
| 5 | Tamil Nadu | Ramanathapuram | Kadaladi |
| 6 | Tamil Nadu | Ramanathapuram | Mudukulathur |
| 7 | Tamil Nadu | Ramanathapuram | Kilakarai |
| 8 | Tamil Nadu | Ramanathapuram | Tiruvadanai |
| 9 | Tamil Nadu | Ramanathapuram | Rajasingamangalam |