Worldwide, Castellarin (Castellarin 
) is a very rare female given name. The first name Castellarin is characteristic of Southern Europe, particularly Italy, where it is a very rare female name. Predominantly, Castellarin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Castellarin | Bosnia and Herzegovina, Canada, Italy, France, Argentina |
Castellarìn, and CastellarĂn