Ballal Sen (Bangla: বল্লাল সেন) (reign: 1160–1178) was the second ruler of the Sen dynasty of Bengal. Son and successor of Vijay Sen, Ballal Sen is known from the extant Kuljigranthas to have introduced social reforms in Bengal, especially the system of Kulinism.
| Preceded by Vijay Sen |
King of Sena Dynasty, Bengal 1160–1178 |
Succeeded by Lakshman Sen |