Linn Tormodsdatter Grøndahl Sunne (born 2 December 1971) is a Norwegian children's writer, schoolteacher and local politician.

Born in Kongsberg on 2 December 1971, Sunne resides in Dokka.

In 2012 she again received the Brage Prize, for the children's book Lille ekorn.

Becoming involved in politics for the Labour Party, she was elected to Nordre Land municipal council and served as deputy mayor from 2019.

This article about a Norwegian writer, poet or journalist is a stub.