Tuva Livsdatter Syvertsen (born 16 July 1983) is a Norwegian musician (vocals, hardingfele and accordion).

Syvertsen is known from a number of album releases and cooperations with Hildegunn Øiseth, Aasmund Nordstoga, DumDum Boys and as a leading figure of Valkyrien Allstars.

[1] Syvertsen is best known as a fiddle player, singer and front figure of the band Valkyrien Allstars, together with Ola Hilmen and Erik Sollid.

[1] In 2010 she participated at the show Det store korslaget on Norwegian television TV 2, and she busted out in 3rd episode of the program.

[2] As of 2012, Syvertsen had been in a cohabiting relationship with another woman for the last two years.