Shin'ichirō, Shin'ichiro, or Shin'ichirou (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:
Shinichiro Furumoto (古本 伸一郎) (born 1965), Japanese politician
Shin’ichirō Ikebe (池辺 晋一郎) (born 1943), Japanese composer
Shinichiro Kawabata (川畑 伸一郎) (born 1966), Japanese baseball player
Shinichiro Kimura (木村 真一郎), Japanese anime director
Shinichiro Kobayashi (小林 伸一郎), Japanese photographer
Shinichiro Koyama (小山 伸一郎) (born 1978), Japanese baseball player
Shinichiro Kurimoto (栗本 慎一郎), Japanese anthropologist, philosopher, writer and politician
Shinichiro Kuwada (桒田 慎一朗) (born 1986), Japanese footballer
Shin-ichiro Miki (三木 眞一郎) (born 1968), Japanese voice actor
Nakamura Shinichiro (中村 真一郎) (1918–1997), Japanese writer
Shinichiro Ohta (太田 真一郎) (born 1971), Japanese voice actor and announcer
Shinichiro Sakurai (桜井 眞一郎) (1929–2011), Japanese automotive engineer
Shinichirō Sawai (澤井 信一郎) (born 1938), Japanese film director and screenwriter
Shinichiro Takahashi (高橋 真一郎) (born 1957), Japanese footballer and manager
Shinichiro Tani (谷 真一郎) (born 1968), Japanese footballer
Sin-Itiro Tomonaga (朝永 振一郎) (1906–1979), Japanese physicist
Shinichirō Watanabe (渡辺 信一郎) (born 1965), Japanese anime director, screenwriter and producer
