Cognomen Breiðfjörð (Breiðfjörð 
) , in the world, is a very rare family name. The cognomen Breiðfjörð is characteristic of Northern Europe, particularly Iceland, where it is quite a common surname.
| VARIANT | COUNTRY |
|---|---|
| Breiðfjörð | Iceland |
|
sigurður breiðfjörð Icelandic poet, IS (b. 1798) |
|
| leifur breiðfjörð (b. 1945) |
|