Sadao Nakajima
- Birthday: 8/8/1934
- Deathday: 6/11/2023
- Place of birth: Togane, Chiba Prefecture, Japan
- Fame for: Directing
- Also known as: 中島貞夫
- Social networks: Youtube
Biography
Japanese film director and screenwriter known for his work in yakuza films and jidaigeki.