Last name رنالدو (Ranaldo 
, رنالدو 
) , all over the world, is quite a rare cognomen. The family name رنالدو is habitual in Italy, where it is quite a rare surname, Iraq, where it is a rare surname, and Switzerland. Measured by absolute frequency, the name is most common in Italy, Egypt, and Iraq. Much less frequently, رنالدو is the forename as well as the last name.