The Odisha Grameen Bank (OGB) is an Indian Regional Rural Bank (RRB) operating in Odisha state established on 1 May 2025. The bank was formed by the amalgamation of Odisha Gramya Bank and Utkal Grameen Bank under The "One State, One RRB" policy of government. It currently has 979 branches in rural areas of Odisha. It functions under Regional Rural Banks' Act 1976 and is sponsored by IOB.