The Akita Expressway is a national expressway in the Tōhoku region of Japan. The 229.2-kilometer-long (142.4 mi) expressway begins at an interchange with the Tōhoku Expressway in Kitakami, Iwate from where it proceeds northwest towards the capital of Akita Prefecture, Akita. From there, it travels northeast back to another interchange along the Tōhoku Expressway in the town of Kosaka. It is jointly owned and operated by East Nippon Expressway Company and the Ministry of Land, Infrastructure, Transport and Tourism (MLIT). The Akita Expressway is numbered E7 between Kosaka and Kitakami Junctions and E46 between Kitakami and Kawabe Junctions under the MLIT's "2016 Proposal for Realization of Expressway Numbering."

The Tōhoku Expressway is a south-north national expressway, and the longest expressway in Japan at 679.5 kilometers (422.2 mi). Its southern terminus is in Kawaguchi, Saitama in the Greater Tokyo Area, at the Tokyo Gaikan Expressway and Kawaguchi Route near Araijuku Station, and its northern terminus is at Aomori Interchange in Aomori, Aomori in the northern part of the Tōhoku region, where it meets the Aomori Expressway and Aomori Belt Highway near the Sannai-Maruyama Site.