Skule Bårdsson or Duke Skule (Old Norse: Skúli Bárðarson) (c. 1189 – 24 May 1240) was a Norwegian nobleman and claimant to the royal throne against his son-in-law, King Haakon Haakonsson.

Henrik Ibsen's play Kongs-Emnerne (1863) is about the dispute between Duke Skule and King Haakon.