Kovalyov, often spelled as Kovalev (Russian: Ковалев), or Kovalyova, Kovaleva (feminine; Ковалёва), is a common Russian surname, an equivalent of the English "Smith" (derived from the Ukrainian word koval, which means blacksmith).
The surname may refer to:
Aleksandr Sergeyevich Kovalyov (b. 1982), Russian footballer
Aleksandr Vladimirovich Kovalyov (b. 1975), Russian sprint canoer
Alexei Kovalev (born 1973), Russian professional ice hockey player
Sergey Kovalev (born 1983), Russian boxer
Gennady Kovalev (born 1983), Russian boxer
Mikhail Kovalyov (1897–1967), Soviet military leader
Nikolay Kovalyov (politician) (born 1949), Russian politician, Chair of the State Duma's Veterans' Committee, former head of the Federal Security Service (FSB)
Nikolay Kovalev (fencer) (born 1986), Russian sabre fencer
Kovalyova is the real surname of a Russian serf actress and opera singer Praskovya Zhemchugova
Sergei Adamovitch Kovalev (born 1930), human rights activist and politician in post-Soviet Russia, former Soviet dissident and political prisoner
Sergei Nikitich Kovalev (Petrograd, August 15, 1919 – St. Petersburg, February 24, 2011), Russian designer of the U.S.S.R. nuclear submarine
Vladimir Kovalev (skater) (born 1953), Soviet figure skater
Pasha Kovalev (born 1980), Russian professional Latin and ballroom dancer
In fiction:
Central character of Nicolai Gogol's The Nose