All over the world, Ридер (Rider 
, Ryder , Reader ) is quite a common masculine forename. The first name Ридер is characteristic of Latin America and the Caribbean, particularly Bolivia, where it is quite a common male name, Nicaragua, where it is quite a rare principally boy's, but very infrequently female name, and Peru, where it is quite a rare male name. Measured by absolute frequency, this name is the most popular in Peru, Bolivia, and the United States. More frequently, Ридер is the last name as well as the forename.
Ридер is also a popular name for the fictitious and mythical characters: Ryder Lynn , the fictional character from musical comedy-drama series Glee; Ryder , the fictional character in PAW Patrol; Rider , the fictional character from Fate/stay night; Ryder Scanlon , the fictional character from Melissa & Joey and Rider Otto , the fictional character from Miracle of the White Stallions, and in many other works.