Cognomen Demerina (Demerina 
) , around the world, is an extremely rare last name. The last name Demerina is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname, and Venezuela. More prevalently, Demerina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Demerina | Chile, United States, Brazil, Venezuela |