Globally, Sief (Sief 
, 西夫 
, Сиеф) is a common predominantly masculine, but very seldom female first name. The first name Sief is characteristic of Egypt, where it is quite a common largely masculine, but seldom female name, Libya, where it is quite a rare masculine name, and Iraq. Measured by absolute frequency, it is commonest in Egypt, Algeria, and Iraq. Likewise, Sief is the last name as well as the forename.