Ryo Kagawa (加川 良, Kagawa Ryō, November 21, 1947 in Hikone, Japan – April 5, 2017 in Tokyo, Japan) was a Japanese folk singer and singer-songwriter. Kagawa was known as a central figure in the Kansai folk-music boom of the late 1960s and early 1970s in Japan, and was a key influence on the early musical development of such major Japanese artists as Tsuyoshi Nagabuchi.