Cognomen Bloisa (Bloisa 
) , worldwide, is a very rare surname. The cognomen Bloisa is characteristic of Latin America and the Caribbean, particularly Peru, where it is a very rare surname, Argentina, where it is an extremely rare surname, and Brazil. In absolute terms, this name is the most popular in Peru, Brazil, and the United States. Much less frequently, Bloisa is the forename as well as the last name.