Cognomen ריידר (Rider 
, Ryder , Rader 
) , in all the world, is a common family name. The surname ריידר is habitual in British Virgin Islands, where it is a common surname, Isle of Man, where it is quite a common surname, and New Zealand (explore the name in all countries). Measured by absolute frequency, this name is the most popular in the United States, the United Kingdom, and Indonesia. Very seldom, ריידר is the forename as well as the last name.