Skinfaxi [Shining-mane]. The horse of Day. Skinfax.
Skirnir [The bright one]. Frey's messenger. Skirner.
Skrymir. The name of a giant; also the name assumed by Utgard-Loke. Skrymer.
Skuld [Shall]. The norn of the future. Skuld.
Skogul. A valkyrie. Skogul.
Sleipnir [The slipper]. The name of Odin's eight-footed steed. He is begotten by Loke with Svadilfare. Sleipner.
Snotra [Neat]. The name of one of the goddesses. Snotra.
Sokkmimir [Mimer of the deep]. A giant slain by Odin. Sokmimer.
Sokkvabekkr. A mansion where Odin and Saga quaff from golden beakers. Sokvabek.