Øien
Øien or Oien is a surname. Notable people with the surname include:
- Anfinn Øien, Norwegian organist and music teacher
- Arne Øien, Norwegian economist and politician
- Bjørg Løhner Øien, Norwegian figure skater
- Hemming O. Oien, American politician
- Hildur Horn Øien, Norwegian politician
- Jørn Øien, Norwegian jazz pianist and keyboard player
- Justin Oien, American cyclist
- Michael Oien, American musician and composer
- Per Øien, Norwegian flautist