Family name Rrosario (Rrosario 
) , worldwide, is a rare cognomen. The cognomen Rrosario is habitual in the Dominican Republic, where it is quite a rare surname, Spain, where it is an extremely rare surname, and Mexico. Very seldom, Rrosario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rrosario | Mexico, Dominican Republic, Spain, Brazil |