Worldwide, Хейдер (Hader 
, Хейдер 
, Heiders 
) is a common dominantly girly, but seldom male forename. The first name Хейдер is characteristic of Egypt, where it is quite a common predominantly female, but very seldom boy's name, Iraq, where it is quite a rare dominantly male, but uncommonly girly name, and Saudi Arabia, where it is quite a rare unisex name. Measured by absolute frequency, it is the most numerous in Egypt, Iraq, and Pakistan. Much less frequently, Хейдер is the last name as well as the forename.