Narpatganj Assembly constituency is an assembly constituency in Araria district in the Indian state of Bihar.

Jai Prakash Yadav (BJP), elected in 2020 is the MLA.

[1] As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No 46 Narpatganj Assembly constituency is composed of the following: Narpatganj (community development block); Bhargama, Jainagar, Khajuri, Kushmaul, Manullahpatti, Paikpar, Raghunathpur North, Raghunathpur South, Rampur Aadi, Shankarpur, Simarbani, Sirsiya Hanumanganj and Sirsiya Kala of Bhargama (community development block).

[2] Narpatganj Assembly constituency is part of No 9 Araria (Lok Sabha constituency) (SC).

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