Jun'ichirō
# Jun'ichirō

Jun'ichirō, Junichirō, Junichiro or Junichirou (written: 純一郎 or 潤一郎) is a masculine Japanese given name. Notable people with the name include:

* Junichiro Itani (伊谷 純一郎, 1926–2001), Japanese primatologist
* Junichiro Ito (伊藤 順一郎, born 1954), Japanese medical researcher and psychiatrist
* Junichiro Koizumi (小泉 純一郎, born 1942), Japanese politician and Prime Minister of Japan
* Junichiro Kono, Japanese-American electrical and computer engineer
* Jun'ichirō Tanizaki (谷崎 潤一郎, 1886–1965), Japanese writer
* Junichiro Yasui (安井 潤一郎, born 1950), Japanese politician
