Riho is a Japanese name that can refer to various individuals, including notable figures in the entertainment industry. One prominent Riho is Riho Sayashi, a former member of the popular Japanese girl group Morning Musume. She is known for her singing and dancing skills, contributing to the group's success during her tenure. In addition to individuals, "Riho" can also refer to places or cultural references in Japan. For example, Riho is a common name for certain locations or businesses, reflecting the cultural significance of names in Japanese society.