Family name Касас (Casas 
, Kasas , Касас 
) , all around the world, is a widespread last name. The family name Касас is characteristic of Latin America and the Caribbean, particularly Colombia, where it is quite a common surname, Peru, and Argentina (explore the name in all countries). In absolute terms, it is commonest in Mexico, Colombia, and Philippines. Much less frequently, Касас is the forename as well as the last name.