Junichi Kanai
- Title: Junichi Kanai
- Popularity: 1.032
- Known For: Writing
- Birthday: 1983-06-27
- Place of Birth: Saitama Prefecture, Japan
- Homepage: https://www.stardust.co.jp/talent/stardustdirectors/kanaijunichi/
- Also Known As: 金井純一, Jun'ichi Kanai, 金井 純一