>
Around the globe, Guðmannsson (Guðmannsson ) is an extremely rare unknown gender forename. Much more frequently, Guðmannsson is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Guðmannsson | Iceland |
Pétur, Gunnar, Ísleifur, Guðmundur, and Sigurbjörn