Surname רונאלדו (Ronaldo 
, רונאלדו 
) , across the world, is a common family name. The last name רונאלדו is habitual in Nicaragua, where it is quite a common surname, Egypt, and Algeria (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Egypt, Indonesia, and Algeria. More frequently, רונאלדו is the forename as well as the last name.