Cognomen Búadóttir (Búadóttir 
) , all around the world, is an extremely rare last name. The cognomen Búadóttir is habitual in Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Búadóttir | Iceland |
| ásgerður búadóttir Icelandic artist, IS (b. 1920) |
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| hildur björk búadóttir Icelandic association football player, IS |
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