The Mito Tokugawa family was one of branches of the Tokugawa family rooted in Mito City in Hitachi Province, and one of Tokugawa Gosanke (three privileged branches of the Tokugawa family).
水戸徳川家（みととくがわけ）は、常陸国水戸市にあった徳川氏の一支系で、徳川御三家のひとつ。