Yoshio Shinozuka (篠塚良雄; 1923 – 20 April 2014) was a Japanese Imperial Army soldier who served as an army medic with a top secret biological warfare group called Unit 731 in World War II. He was a member of the Association of Returnees from China.
Wartime service in Unit 731
According to his testimony, he was conscripted into Unit 731 at the age of 16. Shinozuka claimed to have been involved in conducting experiments and vivisections on Chinese captives near the northern Chinese city of Harbin. He was held in detention in China for over a decade, finally being released in 1956.