| Mahallaka Naga | |
| King of Anuradhapura | |
| Reign: | 135–141 |
| Predecessor: | Gajabahu I |
| Successor: | Bhatika Tissa |
| Issue: | Bhatika Tissa Kanittha Tissa |
| Dynasty: | Lambakanna dynasty |
| Religion: | Theravada Buddhism |
Mahallaka Naga was the King of Anuradhapura from the House of Lambakanna I. He ruled from 135 till 141 AD.[1] He was preceded by his son-in-law, Gajabahu I and succeeded by his son, Bhatika Tissa. During his succession to the throne, the king was very old, and thus he was popularly known as Mahallaka Naga or Mahalu Naga.