There are at least three artists with this name: 1) Riina (Korean: 리이나) is a South Korean idol under GLG Entertainment. She is a vocalist of the K-pop girl group, H1-KEY; and she debuted on November 29, 2021. 2) Riina (Riina Mikkonen born in 1977) is a Finnish singer-songwriter who only made one album called Valveilla unessa (Awake in a dream). She has a background in acting in theatre and in musicals in her hometown Joensuu and she studied piano and singing in the University of Helsinki. Read more on Last.fm