All around the world, Kolbrún (Kolbrún 
) is a very rare girly forename. The given name Kolbrún is habitual in Northern Europe, particularly Iceland, where it is quite a common girly name. Very seldom, Kolbrún is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Kolbrún | Denmark, Sweden, Iceland, United Kingdom, United States |
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kolbrún halldórsdóttir Icelandic politician, IS (b. 1955) |
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| kolbrún ólafsdóttir Icelandic swimmer (1933-1960), IS (b. 1933) |
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| kolbrún jónsdóttir (b. 1923) |
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| kolbrún matthíasdóttir IS (b. 1942) |
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| kolbrún björgólfsdóttir (b. 1952) |
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| kolbrún jónsdóttir IS (b. 1956) |
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| kolbrún baldursdóttir IS (b. 1959) |
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| kolbrún bergþórsdóttir journalist and editor, IS |
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| kolbrún ýr kristjánsdóttir Icelandic swimmer, IS (b. 1982) |
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| kolbrún tinna eyjólfsdóttir Icelandic association football player, IS (b. 1999) |
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Ósk, Garðarsdóttir, Grétarsdóttir, Gísladóttir, Jóhannsdóttir, Tryggvadóttir, Erlendsdóttir, Einarsdóttir, Indriðadóttir, Oddgeirsdóttir, Þorsteinsdóttir, Stefánsdóttir, Albertsdóttir, Brynjarsdóttir, Björgólfsdóttir, Kolbeinsdóttir, Pétursdóttir, Ragnarsdóttir, Gunnarsdóttir, Guðmundsdóttir, Valgeirsdóttir, Sigurðardóttir, Bjarnadóttir, Björnsdóttir, Matthíasdóttir, Ólafsdóttir, Lára, Olafs, Skúladóttir, Svansdóttir, Pálsdóttir, Jónsdóttir, Harðardóttir, Hauksdóttir, Helgadóttir, Malmquist, Kristjánsdóttir, Magnúsdóttir, Sveinsdóttir, Arnardóttir, Bergsdóttir, Karlsdóttir, Davidsen, Guðjónsdóttir, Jónasdóttir, Hjaltadóttir, Árnadóttir, Óskarsdóttir, Sigfúsdóttir, and Ingibergsdóttir