Family name Bajzelj (Bajzelj 
) , in the entire world, is a rare surname. The cognomen Bajzelj is habitual in Slovenia, where it is quite a common surname, Australia, where it is a very rare surname, and Germany, where it is an extremely rare surname. Very seldom, Bajzelj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bajzelj | Sweden, Argentina, Australia, Slovenia, Germany |