Shinjirō, Shinjiro or Shinjirou (written: 進次郎, 新次郎, 晋二郎, 真二郎, 真司郎 or 伸次郎) is a masculine Japanese given name. Notable people with the name include:

Shinjirō
GenderMale
Origin
Word/nameJapanese
MeaningDifferent meanings depending on the kanji used