Akatsuki Kambayashi (上林暁, October 6, 1902 - August 28, 1980), pseudonym of Tokohiro Iwaki, was a noted Japanese author in the I Novel genre. Kambayashi was born in a village now part of Kuroshio in Kōchi Prefecture. In 1927 he received a graduate degree in English literate from the University of Tokyo and took a job with the Kaizo publishing company. That same year he began to write and continued until 1973, despite two debilitating strokes. Kambayashi received the 1964 Yomiuri Prize for Shiroi yakatabune, and in 1969 became a member of the Japan Art Academy.