| Thulatthana තුලත්ථන | |
| King of Anuradhapura | |
| Reign: | 119 BC |
| Predecessor: | Saddha Tissa |
| Successor: | Lanja Tissa |
| Dynasty: | House of Vijaya |
| Father: | Saddha Tissa |
| Religion: | Theravāda Buddhism |
Thulatthana was an early monarch of the Kingdom of Anuradhapura, based at the ancient capital of Anuradhapura that ruled in the year 119 BC. Thulatthana was the son of Saddha Tissa and the brother of Lanja Tissa, Tissa Balambaba, Naga Mahagabaga, Anuddadedad, Gambamagoomba, Boogomabonga,[1] Khallata Naga and Valagamba.