Cognomen Leon Rosario (Leon Rosario 
) , around the globe, is a very rare family name. The cognomen Leon Rosario is habitual in Ecuador, where it is a rare surname, Chile, where it is an extremely rare surname, and Spain. Very seldom, Leon Rosario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leon Rosario | Chile, Ecuador, Spain |