Across the world, Sigurlaug (Sigurlaug 
) is a very rare female forename. The first name Sigurlaug is habitual in Northern Europe, particularly Iceland, where it is quite a common female name.
| VARIANT | COUNTRY |
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| Sigurlaug | Iceland, United States |
| sigurlaug sigurðardóttir IS (b. 1878) |
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| sigurlaug erlendsdóttir IS (b. 1878) |
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| sigurlaug jakobína sigurvaldadóttir IS (b. 1893) |
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| sigurlaug skaftadóttir IS (b. 1901) |
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| sigurlaug guðmundsdóttir IS (b. 1907) |
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sigurlaug gísladóttir Icelandic singer-songwriter, IS (b. 1984) |
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sigurlaug árnadóttir Icelandic figure skater, IS (b. 1984) |
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| sigurlaug bjarnadóttir (b. 1926) |
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| sigurlaug kristjánsdóttir IS (b. 1935) |
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| sigurlaug eðvaldsdóttir IS (b. 1963) |
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| sigurlaug g. i. gísladóttir Icelandic politician |
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| sigurlaug sveinbjornsdottir researcher |
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| sigurlaug hreinsdóttir IS (b. 1971) |
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| sigurlaug gísladóttir Icelandic musician, IS (b. 1984) |
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| sigurlaug vordís eysteinsdóttir |
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Marãa, Konráðsdóttir, Reynisdóttir, Guðmannsdóttir, Grétarsdóttir, Gissurardóttir, Gísladóttir, Jóhannesdóttir, Jóhannsdóttir, Friðriksdóttir, Þorsteinsdóttir, Magnusdottir, Stefánsdóttir, Svavarsdóttir, Ragnarsdóttir, Gunnarsdóttir, Guðmundsdóttir, Johannsdottir, Ingvarsdóttir, Sigurðardóttir, Sigurjónsdóttir, Kristjánsdóttir, Bjarnadóttir, Björnsdóttir, Sverrisdóttir, Sverrisdottir, Straumland, Pálsdóttir, Jónsdóttir, Hauksdóttir, Helgadóttir, Hjaltested, Vigfúsdóttir, Magnúsdóttir, Anderson, Arnardóttir, Gunnarsdottir, Bragadóttir, Böðvarsdóttir, Gröndal, Jonsdottir, Jónasdóttir, Hrafnsdóttir, Hreinsdóttir, Árnadóttir, Ólafsdóttir, Ómarsdóttir, Sævarsdóttir, Birgisdóttir, and Sigurdardottir