Worldwide, Ilvia (Ilvia 
) is a rare feminine given name. The forename Ilvia is characteristic of Panama, where it is a rare female name, Greece, and Italy. Measured by absolute frequency, it is commonest in China, Indonesia, and Mexico. Much less frequently, Ilvia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ilvia | Venezuela, Italy, Mexico, Indonesia, China |