Ryoko Moriyama (森山良子; born on 18 Jan 1948) is a Japanese singer and song-writer. She is one of the most famous female singers in Japan. Her uncle, Hiroshi Kamayatsu and her son, Naotaro Moriyama are also famous singers. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.