Lenna Kuurmaa (born September 26, 1985) is an Estonian singer-songwriter and actress. She is a member of the girl group Vanilla Ninja, but after the band's hiatus since 2009, continued to work as a solo-artist.

She also formed a band with the name "Lenna" who released the debut album Lenna in June 2010. From 1990 to 2002, Lenna Kuurmaa was a member of the ETV Lasteekraani Muusikastuudio and performed together with the choir in many festivals internationally (in Italy, the Netherlands, Finland, Denmark, Norway, Israel, the United Kingdom, Spain, USA and Russia). She studied violin in Tallinn Music School from 2000 to 2006 under teacher Urvo Uibokand.