Bahadurpur Assembly constituency is an assembly constituency in Darbhanga district in the Indian state of Bihar.
As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No. 85 Bahadurpur Assembly constituency is composed of the following: Bahadurpur and Hanuman Nagar community development blocks.
Bahadurpur Assembly constituency is part of No. 14 Darbhanga (Lok Sabha constituency).