Last name Rsar (Rosario 
, Rsar 
) , around the world, is a widespread surname. The cognomen Rsar is habitual in the Dominican Republic, where it is a widespread surname, Puerto Rico, where it is a common surname, and Cabo Verde (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Mexico, Spain, and the Dominican Republic. Also, Rsar is the forename as well as the last name.