Thyn. One of the streams flowing from Hvergelmer.
Tyr. The one-armed god of war.
Ud. A name of Odin.
Ukko. The god of thunder in Tshudic mythology.
Ukko-thor. A name for Thor.
Uller. Son of Sif and step-son of Thor.
Urd. The norn of the past.
Utgard. The abode of the giant Utgard-Loke.
Utgard-loke. A giant visited by Thor; identical with Skrymer.
Vafthrudner. A giant visited by Odin.