Gunichi Mikawa (三川 軍一, Mikawa Gun'ichi, 29 August 1888 – 25 February 1981) was a vice-admiral in the Imperial Japanese Navy (IJN) during World War II. Mikawa was the commander of a heavy cruiser force that won a spectacular IJN victory over the U.S. Navy and the Royal Australian Navy at the Battle of Savo Island in Ironbottom Sound on the night of 8–9 August 1942.