Last name Gudbjornsson (Gudbjornsson 
) , across the world, is a rare cognomen. The family name Gudbjornsson is habitual in Northern Europe, particularly Iceland, where it is quite a common surname, Norway, where it is a rare surname, and Denmark.
| VARIANT | COUNTRY |
|---|---|
| Gudbjornsson | Iceland, Norway, Denmark, United States |
| magnus gudbjornsson (b. 1908) |
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| bjorn gudbjornsson researcher |
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