Family name Adalsteinsdottir (Adalsteinsdottir 
) , around the globe, is a rare last name. The surname Adalsteinsdottir is characteristic of Iceland, where it is quite a common surname, Norway, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Adalsteinsdottir | United States, Iceland, Norway, Spain |