Jagdishpur is a nagar panchayat town of the district Bhojpur of the state of Bihar in eastern India. It was the capital of the eponymous Jagdishpur Raj ruled by Rajputs of the Ujjainiya clan. One of its rulers, Kunwar Singh, was a major figure in the Indian Rebellion of 1857, considered the leader of the rebellion in Bihar.

Bhojpur district is one of the 38 districts of the Indian state of Bihar. Arrah city is the administrative headquarters of this district. Bhojpur district came into existence in 1972. Earlier it was the part of Shahabad district. This district is named "Bhojpur" after great Parmara King Bhoja as most early settlers were Rajput rulers of Parmara dynasty then called as Ujjainiya.