| Nirbhayadeva | |
| Succession: | King of Nepal |
| Reign: | 1004–1009 |
| Predecessor: | Udaydeva |
| Successor: | Rudradeva |
| Regent: | Rudradeva (1007–1009) |
| Reg-Type: | Co-ruler |
| Religion: | Hinduism |
| Dynasty: | Thakuri |
Nirbhayadeva was a Thakuri king of Nepal who reigned from .
Nirbhayadeva became the king after succeeding Udaydeva in . In around 1007, he was reduced to the status of a co-ruler by Rudradeva, and the next year, his reign ceased. Rudradeva and his nephew Bhojadeva ruled jointly after then. He died a few years later.