Cognomen Örnólfsdóttir (Örnólfsdóttir 
) , throughout the world, is a very rare family name. The last name Örnólfsdóttir is habitual in Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Örnólfsdóttir | Iceland |
| arnbjörg auður örnólfsdóttir Icelandic singer, IS (b. 1935) |
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| margrét örnólfsdóttir Icelandic musician, IS (b. 1967) |
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| ingibjörg örnólfsdóttir |
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| kristín valdís örnólfsdóttir figure skater, IS (b. 1998) |
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