MUFG Bank, Ltd. is a Japanese bank. Its headquarters is located in Marunouchi, Chiyoda, Tokyo, and it has 772 domestic branches and 76 overseas branches. It was established on January 1, 2006 through the merger of the Bank of Tokyo-Mitsubishi, Ltd and UFJ Bank Limited. MUFG Bank, along with Sumitomo Mitsui Banking Corporation and Mizuho Bank, is recognized as one of the three major megabanks in Japan.

The bank serves as the core retail, corporate, and investment banking arm of the Mitsubishi UFJ Financial Group.Its traditional client base is made up of Japanese corporates, but overseas corporate lending increased 35% in the nine months to December 31, 2011.