Globally, Rosamilia (Rosamilia 
) is a very rare primarily female, but very seldom male forename. The given name Rosamilia is habitual in Philippines, where it is a very rare predominantly feminine, but scarcely boy's name, and Italy, where it is a very rare girly name. More frequently, Rosamilia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rosamilia | Italy, Switzerland, Argentina, Philippines, United States |