Cognomen Fridgeirsdottir (Fridgeirsdottir 
) , throughout the world, is a very rare family name. The family name Fridgeirsdottir is habitual in Iceland, where it is quite a common surname, Norway, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fridgeirsdottir | Iceland, Norway, United States |