Ziradei Assembly constituency is an assembly constituency in Siwan district in the Indian state of Bihar.

Amarjeet Kushwaha[1] is a member of the legislative assembly from Ziradei.

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

106 Ziradei Assembly constituency is composed of the following: Ziradei, Nautan and Mairwa community development blocks.

18 Siwan (Lok Sabha constituency).