Family name Багданович (Багданович 
, Bagdanovič, Bagdanovich 
) , across the world, is a rare cognomen. The last name Багданович is habitual in Belarus, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Russia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Belarus, Russia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Багданович | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| Bagdanovich | France, Spain, Russia, United States, Brazil |