Seigen
{{Infobox given name
| name = Seigen
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| gender = Male
| meaning = Different meanings depending on the kanji used
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| origin = Japanese
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Seigen (written: 清源 or 勢源) is a masculine Japanese given name. Notable people with the name include:
- {{Nihongo|Go Seigen|呉 清源}} (born 1914), Chinese Go player
- {{Nihongo|Toda Seigen|富田 勢源}}, Japanese swordsman
{{given name}}