Moriyasu (written: or ) is a Japanese surname. Notable people with the surname include: , Japanese footballer and manager , Japanese footballer , Japanese footballer Riku Moriyasu (born 1995), Japanese footballer , Japanese footballer Shotaro Moriyasu (1924–1955), Japanese jazz pianist Moriyasu (written: ) is also a masculine Japanese given name. Notable people with the name include: , Imperial Japanese Navy officer Japanese-language surnames Japanese masculine given names