Family name Hjalmarsdottir (Hjalmarsdottir 
) , in the entire world, is a very rare surname. The cognomen Hjalmarsdottir is characteristic of Iceland, where it is quite a common surname, Norway, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Hjalmarsdottir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hjalmarsdottir | Iceland, Norway, United States, China |