Family name Дено (Дено 
, Dhainaut 
, Denault 
) , in the world, is quite a rare cognomen. The cognomen Дено is habitual in Canada, where it is quite a rare surname, France, and Belgium. In absolute terms, it is the most numerous in the United States, France, and Canada. Much less frequently, Дено is the forename as well as the last name.