Supaul (Vidhan Sabha constituency) is an assembly constituency in Supaul district in the Indianstate of Bihar. In 2015 Bihar Legislative Assembly election, Supaul will be one of the 36 seats to have VVPAT enabled electronic voting machines.
As per Delimitation of Parliamentary and Assembly constituencies Order, 2008, No. 43 Supaul (Vidhan Sabha 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.
Supaul (Vidhan Sabha constituency) is part of No. 8 Supaul (Lok Sabha constituency).