Cognomen Кассель (Cassel 
, Cassell , Kassel ) , all around the world, is a common last name. The family name Кассель is habitual in Dominica, where it is quite a common surname, Antigua and Barbuda, and Liberia. Measured by absolute frequency, it most frequently occurs in the United States, Germany, and Brazil. Much less frequently, Кассель is the forename as well as the last name.