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

In 2015 Bihar Legislative Assembly election, Supaul will be one of the 36 seats to have VVPAT enabled electronic voting machines.

[1][2] As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No.

43 Supaul Assembly constituency is composed of the following: Supaul municipality; Gopalpur Sire, Bakaur, Ghuran, Baruari, Pipra Khurd, Ramdatt Patti, Balwa, Karnpur, Laukha, Basbitti, Goth Baruari, Ekma, Balha, Bairo, Sukhpur Solhni, Telwa, Bairiya, Chainsinghpatti, Malhni, Parsarma Parsauni gram panchayats of Supaul community development block; and Marauna CD Block.

[3] Supaul Assembly constituency is part of No.