Mikaho (美嘉保) was a small steam transportation warship belonging to the Navy of the Bakufu around 1860.
Vice Admiral Enomoto Takeaki, vice-commander of the Navy, refusing to remit his fleet to the new government and left Shinagawa on August 20, 1868, with four steam warships ( Kaiyō, Kaiten, Banryū, Chiyodagata) and four steam transports ( Kanrin, Mikaho, Shinsoku, Chōgei) as well as 2,000 members of the Navy, 36 members of the "Yugekitai" (reaction force) headed by Iba Hachiro, several officials of the former Bakufu government such as the vice-commander in chief of the Army Matsudaira Taro, Nakajima Saburosuke, and members of the French Military Mission to Japan, headed by Jules Brunet.
On August 21, the fleet encountered a typhoon off Choshi, in which the Mikaho was lost and the Kanrin, heavily damaged, forced to rally the coast, where she was captured in Shimizu.