Worldwide, Friðleifsson (Friðleifsson 
) is an extremely rare unknown gender first name. Predominantly, Friðleifsson is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Friðleifsson | Iceland |
Gunnar, Jóhann, Brynjar, Guðmundur, and Friðleifur