In all the world, יוסטין (Jostein 
, יוסטין 
) is a rare masculine first name. The first name יוסטין is characteristic of Norway, where it is quite a rare boy's name, Denmark, where it is a rare male name, and the United States, where it is an extremely rare masculine name. Very seldom, יוסטין is the last name as well as the forename.