Family name Agnarsdottir (Agnarsdottir 
) , around the globe, is a very rare cognomen. The last name Agnarsdottir is characteristic of Iceland, where it is quite a common surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Agnarsdottir | Iceland, United States |
| dagbjört agnarsdottir Icelandic association football player, IS (b. 1988) |
|