Kenji may refer to:
- Kenji (era), a Japanese era spanned from 1275 to 1278
- Kenji (manga) (拳児), a 1980s manga by Matsuda Ryuchi
- "Kenji" (song), a song on Fort Minor's 2005 album The Rising Tied
- Gyakuten Kenji or Ace Attorney Investigations: Miles Edgeworth, a 2009 adventure video game
- Gyakuten Kenji 2, a 2011 adventure video game
- Kenji, a character found in the visual novel Katawa Shoujo