Tollefson is the Americanized spelling of the Norwegian "Tollefsen".http://genealogy.familyeducation.com/surname-origin/tollefson

Tollefson is a surname shared by the following people:

Carrie Tollefson, an American middle-distance runner Chuck Tollefson, a former American football player for the Green Bay Packers Dave Tollefson, an American football player for the New York Giants Thor C. Tollefson, a US Representative from Washington Sean Tollefson, a singer/songwriter for the indie band Tullycraft

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