Hidetoshi Kato is a sociologist and author. He graduated from the Tokyo University of Commerce (now Hitotsubashi University). Kato successively held positions as Associate Professor at Kyoto University, Professor at Gakushuin University, Executive Director at The Japan Foundation Japanese-Language Institute, and Chairman of Japan Student Services Organization. Born in Tokyo in 1930, he holds a PhD in sociology.

Notable publications include, Works of Hidetoshi Kato Vols. 1-12, along with, Media No Hassei (Onset of Media), Sociology, etc. His translation work includes, The Lonely Crowd by David Riesman. He is also a member of The Seiron (Sankei Shinbum).