Rumyantsev (), or Rumyantseva (feminine; Румянцева), is a Russian surname. It may refer to the following people:
The Rumyantsev family, a prominent Russian family in the 18th and early 19th centuries Alexander Rumyantsev — several people Andrei Rumyantsev (born 1969), Russian football player Maria Rumyantseva (1699–1788), Russian lady in waiting Mikhail Nikolayevich Rumyantsev (1901–1983), Soviet clown, better known by his stage name Karandash Nadezhda Rumyantseva (1930–2008), Russian comedy actress Nikita Rumyantsev (born 1988), Russian politician Nikolai Rumyantsev (historian) (1892–1956), Soviet historian of Christianity Nikolay Rumyantsev (1754–1826), Russian Foreign Minister and Imperial Chancellor Pyotr Rumyantsev (1725–1796), Russian field marshal Valentin Rumyantsev (1921–2007), Soviet scientist in the field of mechanics