Family name Øystein (Øystein 
) , all around the world, is a very rare surname. The family name Øystein is characteristic of Northern Europe, particularly Norway, where it is a rare surname. Much more prevalently, Øystein is the forename as well as the last name.
Moe, Knutsen, Knudsen, Paulsen, Johnsen, Eriksen, Iversen, Mathisen, Svendsen, Andresen, Andersen, Amundsen, Pedersen, Jacobsen, Johansen, Sørensen, Pettersen, Gundersen, Halvorsen, Andreassen, Jørgensen, Kristiansen, Karlsen, Haugen, Hansen, Nilsen, Lie, Berg, Ruud, Dale, Dahl, Lien, Lund, Eide, Wiik, Bakke, Johannessen, Berge, Lunde, Nygård, Næss, Hagen, Olsen, Strand, Bakken, Brekke, Larsen, Jensen, Dahle, and Kristoffersen