Skuld ("debt" or "obligation"; sharing etymology with the English "should") is a Norn in Norse mythology. Along with Urðr (Old Norse "fate") and Verðandi (possibly "happening" or "present"), Skuld makes up a trio of Norns that are described as deciding the fates of people. Skuld appears in at least two poems as a Valkyrie.

Skuld is mentioned in Völuspá, a poem collected in the 13th century Poetic Edda:

In the Prose Edda book Gylfaginning, Snorri informs the reader that the youngest Norn, Skuld, is in effect also a valkyrie, taking part in the selection of warriors from the slain:

In the Nafnaþulur addition to Snorri Sturluson's Prose Edda the following sections reference Skuld:

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