Cognomen Losterio (Losterio 
) , all over the world, is a very rare family name. The surname Losterio is habitual in South-eastern Asia, particularly Philippines, where it is a very rare surname. Very seldom, Losterio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Losterio | Philippines |
Danah, Jessica, and Maria Claudia