Surname Bajna (Bajna 
, Байна 
) , globally, is a rare family name. The surname Bajna is habitual in Hungary, where it is quite a rare surname, Romania, where it is a rare surname, and Switzerland. Also, Bajna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bajna | Germany, Switzerland, Romania, Hungary, India |
| Байна | Kazakhstan, Russia, Kyrgyzstan, Ukraine |
| andrew both de bajna Hungarian noble (b. 1450) |
|
|
| györgy bajna (b. 1947) |
|