Surname Цопп (Zopp 
, Цопп) , all around the world, is a rare last name. The cognomen Цопп is habitual in Estonia, where it is quite a rare surname, Switzerland, where it is a rare surname, and Germany. In absolute terms, this name is the most popular in Germany, the United States, and Switzerland. Much less frequently, Цопп is the forename as well as the last name.