All around the world, Josefsen (Josefsen 
) is an extremely rare unknown gender forename. Predominantly, Josefsen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Josefsen | Norway, Greenland, New Zealand, United Kingdom, Denmark |
Josefsson, Josephsen, Josephson, Josephsson, and Юсефссон
| albrecht josefsen GL (b. 1857) |
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| alibak josefsen GL (b. 1925) |
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| turi josefsen American businessman (b. 1936) |
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| bjørge josefsen Norwegian ice hockey player, NO (b. 1976) |
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| lorentz josefsen CA |
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