Family name Кудер (Kuder 
, Кудер 
, Couder 
) , all over the world, is quite a rare last name. The surname Кудер is habitual in Slovenia, where it is quite a rare surname, Andorra, and France. Measured by absolute frequency, the name is most common in the United States, France, and Germany. Much less frequently, Кудер is the forename as well as the last name.