What is "tollefsen"

Tollefsen is a Norwegian surname which may refer to:

• Astrid Tollefsen (1897–1973), Norwegian lyricist.
• Ole-Kristian Tollefsen, Norwegian professional ice hockey defenceman
• Signe Tollefsen, American-Dutch singer-songwriter
• Tollef Tollefsen (1885–1963 ), Norwegian rower who competed in the 1920 Summer Olympics