Last name Gudgeirsson (Gudgeirsson 
) , throughout the world, is a rare cognomen. The surname Gudgeirsson is habitual in Northern Europe, particularly Iceland, where it is quite a common surname, Norway, where it is a very rare surname, and Finland. Not in comparison with a country's population, it is commonest in Iceland, the United States, and Norway.
| VARIANT | COUNTRY |
|---|---|
| Gudgeirsson | United States, Iceland, Norway, Finland |