Surname Sigurbjornsson (Sigurbjornsson 
) , in the world, is a rare family name. The surname Sigurbjornsson is habitual in Iceland, where it is quite a common surname, Ireland, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Sigurbjornsson is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sigurbjornsson | Iceland, Ireland, United States |