Cognomen Wazzar (Waser 
, Wasser 
, Wazzar) , in the world, is a common family name. The cognomen Wazzar is characteristic of Western Europe, particularly Switzerland, where it is quite a common surname, Austria, where it is quite a rare surname, and Germany. In absolute terms, this name is the most popular in Switzerland, the United States, and Nigeria. Much less frequently, Wazzar is the forename as well as the last name.