Teiichi (written: 貞一) is a masculine Japanese given name. Notable people with the name include:
*, Japanese footballer
*, Japanese sprinter
*, Japanese composer
*, Japanese general
*, Japanese general
Fictional characters
*, protagonist of the manga series ''
Dusk Maiden of Amnesia
, stylized as ''Dusk maiden of Amnesia'', is a Japanese manga series written and illustrated by the duo Maybe. It was published by Square Enix and serialized in the '' Monthly Gangan Joker'' magazine from April 2009 to June 2013, with its cha ...
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{{given name
Japanese masculine given names
Masculine given names