Surname Ríkharðsdóttir (Ríkharðsdóttir 
) , all around the world, is a very rare cognomen. The family name Ríkharðsdóttir is habitual in Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ríkharðsdóttir | Iceland |
|
sif ríkharðsdóttir icelandic academic, IS |
|
| ragnheiður ríkharðsdóttir Icelandic politician, IS (b. 1949) |
|