Keiichi is a masculine Japanese given name. Notable people with the name include:

Keiichi
GenderMale
Origin
Word/nameJapanese
MeaningDifferent meanings depending on the kanji used

Fictional characters

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  • Keiichi Maebara (前原 圭一), a character in the sound novel Higurashi no Naku Koro ni
  • Keiichi Morisato (森里 螢一), a character in the manga series Oh My Goddess!
  • Keiichi Sumi (角 圭一), a character in the manga series Junjo Romantica