Kenjirō, Kenjiro or Kenjirou (written: 健二郎, 健次郎, 健治郎, 謙二郎, 謙次郎, 建次郎, 賢二郎 or 乾二郎) is a masculine Japanese given name. Notable people with the name include:
Den Kenjirō (田 健治郎) (1855–1930), Japanese politicianKenjiro Ezoe (江添 建次郎) (born 1982), Japanese footballerKenjiro Haitani (灰谷 健次郎) (1934–2006), Japanese writerKenjiro Hata (畑 健二郎) (born 1975), Japanese manga artistKenjirō Ishimaru (石丸 謙二郎) (born 1953), Japanese actorKenjiro Nomura (野村 謙二郎) (born 1966), Japanese baseball playerKenjiro Okazaki (岡崎 乾二郎) (born 1955), Japanese artistKenjiro Shinozuka (篠塚 建次郎) (born 1948), Japanese rally driverKenjiro Shoda (正田 建次郎) (1902–1977), Japanese mathematicianKenjiro Takayanagi (高柳 健次郎) (1899–1990), Japanese engineer and television pioneerKenjiro Todoroki (轟 賢二郎) (born 1975), Japanese yacht racerKenjirō Tokutomi (徳富 健次郎) (1868–1927), Japanese writer and philosopherKenjiro Tsuda (津田 健次郎) (born 1971), Japanese voice actor and actorUme Kenjirō (梅 謙次郎) (1860–1910), Japanese educator and lawyerYamakawa Kenjirō (山川 健次郎) (1854–1931), Japanese samurai, physicist and writer