Cognomen Jostein (Jostein 
, جوسلين 
, יוסטין 
) , throughout the world, is a rare surname. The surname Jostein is habitual in Norway, where it is a rare surname, Indonesia, and Israel, where it is a very rare surname. In absolute terms, this name is the most popular in Indonesia, Norway, and Spain. More prevalently, Jostein is the forename as well as the last name.