Mutsu may refer to: Places Mutsu, Aomori, a city in Aomori prefecture, Japan Mutsu Province, one of the old provinces of Japan Mutsu Bay, a bay inside Aomori Prefecture, Japan Mutsu, Estonia, a village in Vastseliina Parish, Võru County, Estonia People Mutsu Munemitsu (1844–1897), diplomat in Japan during the Meiji period Mutsu Hirokichi (1869–1942), Japanese diplomat and an educator in Meiji and Taishō period Japan Iso Mutsu (1867–1930), author of the first guide to Kamakura ever written Other uses , a 1970 merchant ship that was Japan's only nuclear-powered ship , a 1920 battleship of the Imperial Japanese Navy Bluefish, a sushi/sashimi ingredient Mutsu (apple), a yellow-gold apple also known as Crispin The fictional Mutsu clan in the manga and anime series Shura no Toki - Age of Chaos Mutsu Kokubun-ji Yakushidō, the provincial temple of former Mutsu Province, Japan Mutsu Tonohohon, an action video game released in 2002 by Tomy See also