Family name Guðbrandsson (Guðbrandsson 
) , around the globe, is a very rare cognomen. The family name Guðbrandsson is habitual in Northern Europe, particularly Iceland, where it is quite a common surname.
| gísli guðbrandsson (b. 1565) |
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| magnús guðbrandsson Icelandic association football player (1896-1991), IS (b. 1896) |
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| ingólfur guðbrandsson Icelandic musician, IS (b. 1923) |
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guðmundur ingi guðbrandsson Icelandic politician, IS (b. 1977) |
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| kristinn guðbrandsson (b. 1922) |
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| jóhannes guðbrandsson researcher |
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