For other meanings of "Sennar", see the Sennar disambiguation page.

Sennar is a town on the Blue Nile in Sudan that is the capital of the state of Sennar. For several centuries it was the capital of the Funj Kingdom of Sennar. The modern town lies close to the ruins of the ancient capital. It is located close to Sennar Dam , which spurred agricultural activity when it was created in 1925 for crop irrigation.