Tollefsen is a Norwegian surname which may refer to:
Astrid Tollefsen (1897–1973), Norwegian lyricist Christopher Tollefsen (born 1968), American philosopher
Mark Tollefsen (born 1992), American basketball player Olaf Tollefsen (1944–1989), American philosopher Ole-Kristian Tollefsen, Norwegian ice hockey player Signe Tollefsen, American-Dutch singer-songwriter Tollef Tollefsen (1885–1963), Norwegian rower Toralf Tollefsen (1914–1994), Norwegian concert accordionist