Surname Шайдер (Shaider 
, Shayder 
, Scheider 
) , around the globe, is quite a rare last name. The cognomen Шайдер is habitual in Western Europe, particularly Austria, where it is quite a rare surname, Germany, and Luxembourg. In absolute terms, it is the most numerous in Germany, the United States, and France. Much less frequently, Шайдер is the forename as well as the last name.