Cognomen Кавалер (Cavaliere 
, Cavalier , Кавалер) , in all the world, is a common last name. The family name Кавалер is habitual in Italy, where it is quite a common surname, France, where it is quite a rare surname, and Switzerland. In absolute terms, it is the most numerous in Italy, the United States, and France. Much less frequently, Кавалер is the forename as well as the last name.