Noatun or Nóatún may refer to the following:
- a place in Norse mythology, see Nóatún (mythology)
- Nóatún, a chain of Icelandic supermarkets
- Nóatún, a street in Reykjavík
- a media player for KDE, see Noatun (media player)
In Norse mythology, Nóatún ( Old Norse "ship-enclosure") is the abode of the god Njörðr, described in the Prose Edda book Gylfaginning as located "in heaven".