| Siri Naga I | |
| King of Anuradhapura | |
| Reign: | 196 – 215 |
| Predecessor: | Kuda Naga |
| Successor: | Voharika Tissa |
| Dynasty: | House of Lambakanna I |
| Issue: | Voharika Tissa Abhaya Naga |
Siri Naga I was King of Anuradhapura in the 2nd century, whose reign lasted from 196 to 215.[1] He succeeded his brother-in-law Kuda Naga as King of Anuradhapura and was succeeded by his son Voharika Tissa.
Historical texts state that he renovated Ruwanweliseya and renovated Lowamahapaya into a five storied structure and made stone steps at the entrances to the Sri Maha Bodhi.