Cognomen Bèllo (Bellus 
, Bèllo) , in all the world, is quite a rare last name. The cognomen Bèllo is characteristic of Slovakia, where it is quite a rare surname, Hungary, and France, where it is a rare surname. In absolute terms, this name is the most popular in the United States, Hungary, and Slovakia. Likewise, Bèllo is the forename as well as the last name.