Seiichi is a masculine Japanese given name. Notable people with the name include:Seiichi Akamine , Japanese karateka
Seiichi Endo , Japanese cult member
Seiichi Eto , Japanese politician
Seiichi Furuya , Japanese photographer
Seiichi Hatano , Japanese philosopher
Seiichi Hishikawa , Japanese art director
Seiichi Iju , Japanese karateka
Seiichi Ishii , Japanese video game designer
Seiichi Itō , Imperial Japanese Navy admiral
Seiichi Iwao , Japanese academic, historian and writer
Seiichi Kanai , Japanese golfer
Seiichi Kaneta , Japanese politician
Seiichi Kuno , Japanese general
Seiichi Makita ,
