Cognomen Fagertun (Fagertun 
) , across the world, is a rare surname. The cognomen Fagertun is habitual in Norway, where it is quite a rare surname, Sweden, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fagertun | Sweden, Norway, United States |
| fredrik fagertun Norwegian author (b. 1952) |
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| helena fagertun SE (b. 1984) |
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