Last name Daðason (Daðason 
) , around the world, is a very rare cognomen. The last name Daðason is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Daðason | Iceland |
| sigfús daðason Icelandic poet (1928–1996), IS (b. 1928) |
|
|
|
ásmundur einar daðason Icelandic politician, IS (b. 1982) |
|
| ríkharður daðason Icelandic footballer, IS (b. 1972) |
|