Family name Sigurdardóttir (Sigurdardóttir 
) , all over the world, is a very rare last name. The cognomen Sigurdardóttir is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname, and Denmark, where it is a rare surname.
| VARIANT | COUNTRY |
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| Sigurdardóttir | Denmark, Iceland |
| katrín sigurdardóttir Icelandic sculptress (born 1967), IS (b. 1967) |
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| anna gudný sigurdardóttir researcher ORCID ID = 0000-0002-5225-397X |
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| sigrún ósk sigurdardóttir |
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| silvía rán sigurdardóttir Icelandic association football player, IS (b. 1992) |
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| aldís marta sigurdardóttir Icelandic association football player, IS (b. 1993) |
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