Barari Assembly constituency is an assembly constituency in Katihar district in the Indian state of Bihar.It is located near the banks of Kosi river.

Nearest railway station is Karhagola Road.

Laxmipur aitihashik gurudwara is also located here.

As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No 68.

Barari Assembly constituency is composed of the following: Barari, Sameli and Kursela community development blocks.