Mizuho Bank, Ltd. is a Japanese bank that was established by the merger of the Dai-Ichi Kangyo Bank and the retail operations of the Fuji Bank and the Industrial Bank of Japan. It forms the core consumer banking unit of Mizuho Financial Group, which is the second-largest financial services company in Japan.

Business conducted by Mizuho Bank: customer loans (housing/educational etc.), personal credit cards, loyalty program(membership services), company-sponsored employee banking services (saving/loans), channel marketing-based services (ATM, Internet, multi-media), private banking, a designed financial institution of local governments, lottery services, T/C, foreign currency exchange, bill clearing agent.