Surname Vasilio (Vasilio 
) , in the world, is a rare family name. The family name Vasilio is habitual in the Dominican Republic, where it is a rare surname, Nicaragua, and Bulgaria. Not in comparison with a country's population, it most frequently occurs in Mexico, Romania, and the Dominican Republic. Also, Vasilio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vasilio | Spain, Mexico, Bolivia, Brazil, Dominican Republic |