一生, meaning "life", may refer to:

  • Issei, Japanese masculine given name
  • Kazuki, Japanese masculine given name
    • Kazuki Sakai (阪井 一生, born 1985), Japanese guitar in the band Flumpool
  • Kazuo, Japanese masculine given name
    • Kazuo Mori (森 一生, 1911 – 1989), Japanese film director

See also

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