Þjóðólfr of Hvinir (Thjodolf) was a Norwegian skald, active around the year 900. He is considered to have been the original author of Ynglingatal, a poem glorifying the Norwegian petty king Ragnvald the Mountain-High, by describing how he was descended from the Swedish kings and the Norse gods.

He is also credited with another skaldic poem, Haustlöng.

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