Cognomen Fróðadóttir (Fróðadóttir 
) , globally, is an extremely rare surname. The family name Fróðadóttir is habitual in Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fróðadóttir | Iceland |
| hallveig fróðadóttir IS (b. 850) |
|