Marja Helena Fjellheim Mortensson (born 1995) is a South Sámi singer from Engerdal in Innlandet county, Norway.
She won the 2018 Spellemannprisen (described as "Norway's equivalent of the Grammy Awards[1]) in the folk/traditional music category for her album Mojhtestasse – Cultural Heirlooms, and in 2021 for Raajroe – The Reindeer Caravan.
[2] Mortensson comes from a family of reindeer herders, and grew up in Svahken sijte [no], a Siida in Hedmark county.
Her family belongs to the South Sámi ethnic minority, whose language and culture are important influences for her music.
In 2018, Mojhtestasse – Cultural Heirlooms followed, a collaboration with Daniel Herskedal and Jakop Janssønn, which contains a mixture of traditional joiks and new compositions and was created on the occasion of the 100th anniversary of the first Sami country meeting in Trondheim in 1917.