The Kanto Tsukuba Bank, Ltd. (株式会社関東つくば銀行 in Japanese) is a Japanese bank that is headquartered in Tsuchiura City, Ibaraki Prefecture. This bank was formed in 2003 as the result of a merger between the Kanto Bank and the Tsukuba Bank. While the bank has a majority of its branches in Ibaraki Prefecture, it operates several branches outside the prefecture, notable in Tokyo, Chiba, Tochigi, and Saitama Prefectures. The bank is known in its shortened form as the "Kan Gin." Its largest stakeholder is the Master Trust Bank of Japan, with over 6% of its shares.