Madhuban Assembly constituency is an assembly constituency in Purvi Champaran district in the Indian state of Bihar.

As per orders of Delimitation of Parliamentary and Assembly constituencies Order, 2008, 18.

Madhuban Assembly constituency is composed of the following: Madhuban, Pakridayal and Phenhara community development blocks.

[1] Madhuban Assembly constituency is part of 4.

Sheohar (Lok Sabha constituency).