Surname Germaín (Germaín 
) , across the world, is an extremely rare cognomen. The last name Germaín is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname. More prevalently, Germaín is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Germaín | Peru, Ecuador, Mexico, Colombia |