Family name Árnason (Árnason 
, Арнасон) , around the globe, is a rare cognomen. The family name Árnason is characteristic of Northern Europe, particularly Iceland, where it is a common surname, Denmark, where it is a rare surname, and Norway, where it is a very rare surname.
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| Árnason | Denmark, Norway, Iceland, United States, United Kingdom |
| narfi árnason (b. 936) |
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| jón árnason (b. 1150) |
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| vigfús árnason (b. 1600) |
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| jón árnason Icelandic theologian, IS (b. 1665) |
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| jón árnason (b. 1727) |
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jón árnason Icelandic folklorist (1819-1888), IS (b. 1819) |
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| hannes árnason (b. 1809) |
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| jón árnason (b. 1875) |
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| einar árnason IS (b. 1875) |
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| theodór árnason (b. 1889) |
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| þórhallur árnason (b. 1891) |
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| magnús á. árnason (b. 1894) |
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| barbara árnason English-born Icelandic artist and illustrator (1911-1977), IS (b. 1911) |
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árni páll árnason Icelandic politician, IS (b. 1966) |
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| jón múli árnason Icelandic composer, IS (b. 1921) |
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Jon, Franz, Ingvi, Oddur, Árni, Ívar, Óskar, Óðinn, Ómar, Úlfur, Magnús, Mörður, Sindri, Steinn, Skúli, Sævar, Sæmundur, Sveinn, Svavar, Snorri, Aríel, Baldur, Hjálmar, Hlöðver, Hlynur, Hrafn, Aron, Atli, Axel, Rafn, Jens, Jón, Hans, Andri, Anton, Arnar, Birkir, Agnar, Páll, David, Dagur, Elmar, Elís, Edwin, Einar, Eyþór, Eðvald, Helgi, Kári, and Birgir