Surname Rumjancev (Румянцев 
, Rumjancev 
) , around the globe, is a common family name. The surname Rumjancev 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 |
| Rumjancev | Germany, Hungary, Latvia |
Roumiantsev, Rumiantsev, Rumjantsev, Rumjanzew, Rumyantsev, Рум'Янцев, and Румйанцев
| sergej rumjancev (b. 1896) |
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| vasilij rumjancev RU |
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