The Joyo Bank, Ltd. (株式会社常陽銀行, Jōyō Ginkō Kabushiki Kaisha) is a Japanese regional bank that is headquartered in Mito city, Ibaraki Prefecture. The bank is relatively large among Japanese regional lenders, and operates branches throughout the Kantō region. In addition to branches in Miyagi, Fukushima, Chiba, Saitama, Tokyo, and Osaka prefectures, the bank also operates a representative office in Shanghai. While the bank has many stakeholders, prominent shareholders include the Bank of Tokyo-Mitsubishi, along with several major Japanese insurance companies.