Cognomen سييد (Sid 
, Sifarish , سييد 
) , in the entire world, is a common family name. The family name سييد is habitual in Algeria, where it is quite a common surname, Mauritius, where it is quite a rare surname, and United Arab Emirates. In absolute terms, it is the most numerous in Algeria, India, and Pakistan. Also, سييد is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sid | Algeria, Ethiopia, India, Pakistan, United States |
| Sifarish | Pakistan, India |
| سييد | Egypt, Saudi Arabia |