Matsuda Ryuchi (松田隆智 Matsuda Ryuchi) is the Japanese author behind A Historical Outline of Chinese Martial Arts and the manga Kenji. According to Dr. Tokitsu Kenji, author and practitioner of Japanese martial arts, Matsuda is known for introducing and publicising various Chinese martial arts in Japan. A Historical Outline of Chinese Martial Arts was originally written in 1979 and later revised when Matsuda lived in Taipei. It has appeared in a number of different editions in Chinese and Japanese and is one of eight books he has written on the martial arts.