Surname Rossario (Rossario 
) , in the world, is a rare cognomen. The cognomen Rossario is characteristic of the Dominican Republic, where it is a rare surname, the United States, where it is an extremely rare surname, and Canada. Measured by absolute frequency, the name is most common in India, the Dominican Republic, and the United States. Also, Rossario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rossario | Mexico, United States, India, South Africa, Dominican Republic |