Surname Rosariio (Rosariio 
) , all over the world, is a rare family name. The family name Rosariio is habitual in the Dominican Republic, where it is quite a rare surname, Spain, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Much less frequently, Rosariio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rosariio | Colombia, Philippines, Dominican Republic, Spain, Mexico |