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
editSearch for "一生" on Wikipedia.