Family name Bárðarson (Bárðarson 
) , worldwide, is a very rare cognomen. The cognomen Bárðarson is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bárðarson | Iceland |
| guðmundur g. bárðarson (b. 1880) |
|
|
| steinmóður bárðarson |
|
|
| ívar bárðarson |
|