Surname Вестенберг (Вестенберг 
, Vestenberg 
) , across the world, is a very rare family name. The surname Вестенберг is habitual in Eastern Europe, particularly Bulgaria, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Вестенберг | Russia, Ukraine |
| Vestenberg | Brazil, Bulgaria |