Surname Sigurhjartarson (Sigurhjartarson 
) , worldwide, is a very rare last name. The cognomen Sigurhjartarson is habitual in Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sigurhjartarson | Iceland |
| sigfús sigurhjartarson Icelandic politician, IS (b. 1902) |
|