Cognomen Кадер (Kader 
, Quader 
, Кадер 
) , around the world, is a widespread last name. The last name Кадер is habitual in Algeria, where it is quite a common surname, Oman, and United Arab Emirates (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Bangladesh, Algeria, and India. Likewise, Кадер is the forename as well as the last name.