Tsutomu Nishioka (西岡力) is a professor of Korean language at Tokyo Christian University and a comfort women denier. Nishioka is the author of many articles and booklets distributed by the Society for Dissemination of Historical Fact and appears in Yujiro Taniyama’s denier film, Scottsboro Girls. He is also the president of the National Association for the Rescue of Japanese Kidnapped by North Korea (NARKN).
Nishioka is the chair of the Historical Research Laboratory at the right-wing Reitaku University and Vice President and Secretary General of the Historical Awareness Research Committee.