Cognomen Bainea (Bainea 
) , throughout the world, is a very rare family name. The surname Bainea is habitual in Romania, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Bainea is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bainea | Romania, United Kingdom, Philippines |