Family name سياد (Sead 
, Siad 
, سياد 
) , around the globe, is a common last name. The cognomen سياد is characteristic of Somalia, where it is quite a common surname, North Macedonia, and Algeria, where it is quite a rare surname. In absolute terms, it most frequently occurs in Egypt, Somalia, and Algeria. Also, سياد is the forename as well as the last name.