Surname Björnsdottir (Björnsdottir 
) , all around the world, is a very rare family name. The family name Björnsdottir is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname, and Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Björnsdottir | Sweden, Iceland |
| birna björnsdottir Icelandic cyclist, IS (b. 1973) |
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| elrid björnsdottir Peerage person ID=42851 |
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| ingunn björnsdottir researcher |
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