Surname Gernina (Gernina 
) , in the world, is an extremely rare family name. The cognomen Gernina is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname. More prevalently, Gernina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gernina | France, Brazil, United States, Philippines |