Last name Finnsdottir (Finnsdottir 
) , globally, is a rare family name. The family name Finnsdottir is characteristic of Northern Europe, particularly Iceland, where it is quite a common surname, Denmark, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Iceland, Denmark, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Finnsdottir | Iceland, Denmark, United Kingdom, United States |
| ingibiorg finnsdottir Queen of Scotland (b. 1050) |
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| annette finnsdottir DK (b. 1959) |
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