Surname Сейд (Seid 
, Seyd , Сейд 
) , across the world, is a widespread family name. The last name Сейд is characteristic of Ethiopia, where it is a common surname, Saudi Arabia, where it is quite a common surname, and Djibouti (explore the name in all countries). In absolute terms, it is commonest in Ethiopia, Saudi Arabia, and Sudan. Also, Сейд is the forename as well as the last name.