House of Lambakarna I | Anuradhapura - (135 - 141)
| Source | King's Name | Period |
| Mahāwansaya | Mahallakanāga | 6-0-0 |
| Pūjāwaliya | Mahalumānā | 6-0-0 |
Mahallaka Naga was the King of Anuradhapura from the House of Lambakanna I. He ruled from 135 till 141 AD. He was preceded by his father in law, Gajabahu I and succeeded by his son, Bhatika Tissa.