Ishikawa Mitsunaga (石川光長)

Mitsunaga ISHIKAWA (year of birth unknown - January 16, 1291) is a busho (Japanese military commander) in the Kamakura period. He is the ninth family head of the Mutsu Ishikawa clan, which was derived from the Yamato-Genji (Minamoto clan). He is the oldest son of Mitsusada ISHIKAWA. He is the father of Motomori, Mitsuharu and Mitsusuke ISHIKAWA. Jugoinoge (Junior Fifth Rank, Lower Grade), Yamato no kami (the governor of Yamato Province) and Jushiinoge (Junior Fourth Rank, Lower Grade), Samanokami (the head of the section taking care of imperial horses). His wife is a daughter of Yoritoo OTA.

His childhood name is Toramatsumaru. He was renamed Mitsunaga after Genpuku (celebrate one's coming of age), and appointed to Jugoinoge, Yamato no kami.

When he heard about the Mongol invasion attempts against Japan in 1281, he joined the Rokuhara army with his family and subordinates to defend Kyoto, and then jointed the Dazaifu defense forces by following Kintsuna UTSUNOMIYA. Because of his distinguished war service, he was appointed to Jushiinoge, Samanokami.