| Cula Naga | |
| King of Anuradhapura | |
| Reign: | 193 – 195 |
| Predecessor: | Kanittha Tissa |
| Successor: | Kuda Naga |
| Dynasty: | House of Lambakanna I |
| Father: | Kanittha Tissa |
Cula Naga, or Khujjanaga, also known as Kuhun Na, was King of Anuradhapura in the second century and the successor of Kanittha Tissa. He reigned from 193—195,[1] ruling for only two years until he was overthrown and assassinated by his brother, Kudda Naga.