| Thunukkai Divisional Secretariat | |
|---|---|
| — Divisional Secretariat — | |
| Country | Sri Lanka |
| Province | Northern Province |
| District | Mullaitivu District |
| Time zone | Sri Lanka Standard Time (UTC+5:30) |
Thunukkai Divisional Secretariat is a Divisional Secretariat of Mullaitivu District, of Northern Province, Sri Lanka.