| Official Name: | Thamankaduwa Divisional Secretariat |
| Native Name: | |
| Settlement Type: | Divisional Secretariat |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: | Sri Lanka |
| Subdivision Name1: | North Central Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Polonnaruwa District |
| Unit Pref: | Imperial |
| Timezone: | Sri Lanka Standard Time |
| Utc Offset: | +5:30 |
| Website: | http://www.thamankaduwa.ds.gov.lk |
Thamankaduwa Divisional Secretariat is a Divisional Secretariat of Polonnaruwa District, of North Central Province, Sri Lanka. It contains Parakrama Samudra and the historic ruins of the Polonnaruwa period.[1]
Thamankaduwa DS division is 46878.6km2 in extent, with 55 Grama Niladhari divisions, 117 villages, and a population of 94,254.[2]
It is bounded on the North by Lankapura Divisional Secretariat and Hingurakgoda Divisional Secretariat divisions, to the East by Dimbulagala Divisional Secretariat and Welikanda Divisional Secretariat divisions, on the South by the Matale District and on the West by Elahera Divisional Secretariat and Hingurakgoda Divisional Secretariat divisions.