Nanna (Old Norse: Nanna) is the wife of Baldr and mother of Forseti, attested in the Prose Edda and referenced in skaldic verse. She is described in Gylfaginning as dying of grief at Baldr’s funeral and being placed on the funeral pyre alongside him — one of the most emotionally significant moments in the Gylfaginning narrative. At the funeral, she sends gifts from Hel back with Hermóðr: a linen robe for Frigg and various other gifts for Fulla and Odin.

Beyond her role as Baldr’s devoted wife, Nanna has almost no independent mythological narrative in the surviving Old Norse sources. She is listed among the Ásynjur in Gylfaginning. In Saxo Grammaticus’s Gesta Danorum (Book III), Nanna is a human woman who is the object of romantic rivalry between Balderus and Høtherus — a substantially different characterization.