Barbigha is one of 243 legislative assembly constituencies of legislative assembly of Bihar.

It is part of Nawada Lok Sabha constituency.

[1] It is the home constituency of Bihar's first chief minister Shri Krishna Singh.

Barbigha Constituency comprises CD Blocks Barbigha and Shekhopursarai; Gram Panchayats: Gaway, Audhe, Pain, Lodipur, Kosra, Kusumbha, Kare, Hathiyawan, Mehus & Katari of Sheikhpura CD Block.

[2]