In the world, Weider (Weider 
, Вейдер 
, וידר 
) is a rare male forename. The forename Weider is characteristic of Latin America and the Caribbean, particularly Peru, where it is a rare masculine name, Brazil, where it is a rare primarily male, but very infrequently feminine name, and Colombia, where it is a very rare masculine name. Likewise, Weider is the last name as well as the forename.