Cognomen רוסלו (Rousselot 
, רוסלו 
) , in the world, is quite a common family name. The last name רוסלו is characteristic of Western Europe, particularly Monaco, where it is quite a common surname, France, where it is quite a rare surname, and Switzerland. Not in comparison with a country's population, the name is most common in France, the United States, and Switzerland. Much less frequently, רוסלו is the forename as well as the last name.