In the world, Guðbrandsdóttir (Guðbrandsdóttir 
) is an extremely rare unknown gender first name. Much more frequently, Guðbrandsdóttir is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Guðbrandsdóttir | Iceland |
| hanna þóra guðbrandsdóttir Icelandic singer, IS (b. 1980) |
|