Shin'ichirō, Shin'ichiro, Shin'ichirou or Shin'ichiroh (written: 信一郎, 真一郎, 眞一郎, 晋一郎, 伸一郎, 振一郎 or 慎一郎) is a masculine Japanese given name. Notable people with the name include:
*, Japanese politician
*, Japanese composer
*, Japanese professional shogi player
*, Japanese baseball player
*, Japanese anime director
*, Japanese photographer
*, Japanese baseball player
*, Japanese anthropologist, philosopher, writer and politician
*, Japanese diplomat
*, Japanese footballer
*, Japanese voice actor
*, Japanese writer
*, Japanese voice actor and announcer
*, Japanese automotive engineer
*, Japanese film director and screenwriter
*, Japanese boxer
*, Japanese footballer and manager
*, Japanese footballer
*, Japanese physicist
*, Japanese anime director, screenwriter and producer
{{DEFAULTSORT:Shinichiro
Japanese masculine given names