Inagaki is a Japanese surname. Notable people with the surname include:Inagaki Chusei (1897–1922), Japanese painter Goro Inagaki, Japanese singer and musician Hiroshi Inagaki (1905–1980), Japanese filmmaker Jitsuo Inagaki (1928–2009), Japanese politician Junichi Inagaki, Japanese popular singer Manjiro Inagaki (1861–1908), Japanese diplomat Riichiro Inagaki, Japanese manga writer Saori Inagaki , Japanese rhythmic gymnast Seiji Inagaki, Japanese athlete Takashi Inagaki, Japanese actor Taruho Inagaki (1900–1977), Japanese writer Inagaki Toshijiro (1902–1963), Japanese textile artist Sumie Inagaki, Japanese female ultramarathon runner and world record-holder
