Sif. The wife of Thor and mother of Uller. The word denotes affinity. Sif, the golden-haired goddess, wife of Thor, betokens mother earth with her bright green grass. She was the goddess of the sanctity of the family and wedlock, and hence her name. Sif.
Sigfadir [Father of victory]. A name of Odin. Sigfather.
Sigyn. Loke's wife. She holds a basin to prevent the serpent's venom from dropping into Loke's face. Sigyn.
Silfrintoppr. One of the horses of the gods. Silvertop.
Sindri. One of the most famous dwarfs. Sindre.
Sinir [Sinew]. One of the horses of the gods. Siner.
Sjofn. One of the goddesses. She delights in turning men's hearts to love. Sjofn.
Skadi [scathe, harm, damage]. A giantess; daughter of Thjasse and the wife of Njord. She dwells in Thrymheim, and hangs a venom serpent over Loke's face. Skade.
Skeidbrimir [Race-runner]. One of the horses of the gods. Skeidbrimer.
Skidbladnir. The name of the famous ship of the god Frey that could move alike on land or sea and could be made small or great at will. Skidbladner.