Cognomen ハイダー (Haider 
, Heider 
, ハイダー) , across the world, is a widespread last name. The cognomen ハイダー is characteristic of 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, the name is most common in Pakistan, Bangladesh, and Iraq. Likewise, ハイダー is the forename as well as the last name.