Seiichirō, Seiichiro, Seiichirou or Seiichiroh (written: 誠一郎, 清一朗 or 征一郎) is a masculine Japanese given name. Notable people with the name include:
- Seiichiro Kashio (柏尾 誠一郎, 1892–1962), Japanese tennis player
- Seiichiro Kubo (久保 征一郎, born 2001), Japanese footballer
- Seiichiro Maki (巻 誠一郎, born 1980), Japanese footballer
- Seiichiro Murakami (村上 誠一郎, born 1952), Japanese politician
- Seiichiro Nakagawa (中川 誠一郎, born 1979), Japanese cyclist
- Seiichiro Okuno (奥野 誠一郎, born 1974), Japanese footballer
- Seiichiro Sasaki (佐々木 精一郎, born 1945), Japanese long distance runner
- Seiichiro Shimizu (清水 清一朗, born 1947), Japanese politician
- Seiichiro Tarui (垂井 清一郎, born 1927), Japanese physician
- Seiichiro Yamashita (山下誠一郎, born 1992), Japanese voice actor
- Seiichiro Yasui (安井 誠一郎, 1891–1962), Japanese politician.
| Gender | Male |
|---|---|
| Origin | |
| Word/name | Japanese |
| Meaning | Different meanings depending on the kanji used |
This page or section lists people that share the same given name.
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