Akira Ogata (緒方 章 Ogata Akira, October 26, 1887, in Osaka Prefecture, Japan - August 22, 1978) was a Japanese chemist and the first to synthesize methamphetamine in crystalline form in 1919.
In 1912 he graduated the Faculty of Medicine of the University of Tokyo. In 1919 he received a degree from the Humboldt University of Berlin, where he had performed pharmacological experiments.
In 1920 he was appointed assistant professor at the Faculty of Medicine of the University of Tokyo. where he taught until 1948.