Surname Sïf (Sïf 
) , across the world, is a very rare cognomen. The last name Sïf is habitual in Northern Africa, particularly Algeria, where it is a rare surname, and Morocco, where it is a very rare surname. Likewise, Sïf is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sïf | Morocco, Algeria |