Family name Rumjanzew (Румянцев 
, Rumjanzew 
) , across the world, is a common last name. The family name Rumjanzew is characteristic of Eastern Europe, particularly Russia, where it is quite a common surname, Belarus, where it is quite a rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Румянцев | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Rumjanzew | Germany |
Roumiantsev, Rumiantsev, Rumjancev, Rumyantsev, and Рум'Янцев
| igor rumjanzew |
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