Sōichirō, Soichiro, Souichirou or Sohichiroh is a masculine Japanese given name. Notable people with the name include:
, Japanese basketball player , founder of Honda Motor Company , Japanese voice actor , president of Benesse Corporation , Japanese sport shooter , Japanese footballer , Japanese footballer , Japanese voice actor , Japanese writer
Fictional characters Soichiro Koizumi of Guru Guru Pon-chan of Fate/stay night of Death Note of Kill la Kill