Family name Daðadóttir (Daðadóttir 
) , globally, is an extremely rare last name. The cognomen Daðadóttir is habitual in Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Daðadóttir | Iceland |
| sigurlína daðadóttir IS (b. 1879) |
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| katrín daðadóttir IS (b. 1881) |
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| ingibjörg daðadóttir IS (b. 1884) |
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| theódóra daðadóttir IS (b. 1892) |
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| ingibjörg daðadóttir IS (b. 1893) |
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| gunnhildur daðadóttir IS (b. 1983) |
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