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 | India, Switzerland, Hungary, Romania, Germany |
| Байна | Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| andrew both de bajna Hungarian noble (b. 1450) |
|
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| györgy bajna (b. 1947) |
|