Last name Хайдэр (Haider 
, Khaider 
, Хайдэр 
) , in the world, is a widespread family name. The surname Хайдэр is habitual in Pakistan, where it is a common surname, United Arab Emirates, and Bahrain (explore the name in all countries). Not in comparison with a country's population, it is commonest in Pakistan, Bangladesh, and Iraq. Also, Хайдэр is the forename as well as the last name.