Junichi Okada
- Title: Junichi Okada
- Popularity: 17.955
- Known For: Acting
- Birthday: 1980-11-18
- Place of Birth: Hirakata, Osaka Prefecture, Japan
- Homepage: https://www.johnnys-net.jp/page?id=artistTop&artist=59
- Also Known As: Jun'ichi Okada, Jyunichi Okada, Jyun'ichi Okada, 岡田 准一, 冈田准一