Inoue Genzaburō (井上 源三郎, April 4, 1829 – January 29, 1868) was born in Hino, Tokyo.
He was the captain of the sixth unit of the Shinsengumi which were a special police force for the Tokugawa regime.
In 1863, he joined the Rōshigumi together with Kondō Isami and other members of the Shieikan.
He is also depicted in the 1999 film Gohatto and NHK's drama series Shinsengumi!, as well as in the Sega video game Ryu ga Gotoku: Ishin!
and its remastered edition Like a Dragon: Ishin!, where he is the equivalent of Osamu Kashiwagi.