Jostein

• Jostein Helge Bernhardsen, Norwegian diplomat
• Jostein Berntsen, Norwegian politician for the Labour Party
• Jostein Erstad, Norwegian jurist
• Dag Jostein Fjærvoll, Norwegian politician for the Christian People's Party
• Jostein Flo, Norwegian former football player
• Jostein Gaarder, Norwegian intellectual, author of several novels, short stories and children's books
• Jostein Goksøyr, Norwegian microbiologist
• Jostein Grindhaug, Norwegian football coach and former player
• Jostein Hasselgård, the winner of Norway's national pre-selection for the Eurovision Song Contest 2003
• Arne Jostein Ingebrethsen, Norwegian newspaper editor killed during the occupation of Norway by Nazi Germany
• Jostein Løfsgaard, Norwegian academic executive
• Jostein Nerbøvik, Norwegian historian
• Jostein Nyhamar, Norwegian magazine editor, biographer and politician for the Labour Party
• Jostein Pedersen, Norwegian musical journalist and reporter, television commentator and "music intelligencia"
• Jostein Rise, Norwegian social psychologist
• Kåre Jostein Simonsen, Norwegian bandoneonist
• Jostein Stige, Norwegian sprint canoeist who competed in the mid 1970s
• Jostein Wilmann, former Norwegian professional road racing cyclist