Family name Kovalyov (Ковалёв 
, Kovalyov 
, Ковальов ) , in all the world, is a common surname. The last name Kovalyov is characteristic of Ukraine, where it is quite a common surname, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
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| Ковалёв | Ukraine, Kazakhstan, Moldova, Russia, Belarus |
| Kovalyov | Ukraine, United States, Russia, Belarus, Azerbaijan |
| Ковальов | Ukraine, Russia |
| Ковалиов | Russia |
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aleksandr kovalyov (b. 1873) |
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| pavel kovalyov (b. 1863) |
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| iosif kovalyov (b. 1893) |
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| yury kovalyov (b. 1906) |
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| nikolay kovalyov (b. 1911) |
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| aleksey kovalyov (b. 1911) |
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| valentin kovalyov footballer (b. 1922) |
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| nikolay kovalyov (b. 1913) |
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| valentin kovalyov AZ (b. 1914) |
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| viktor kovalyov (b. 1919) |
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| pyotr kovalyov HU (b. 1922) |
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| sergey kovalyov (b. 1930) |
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anton kovalyov Canadian chess player, AR (b. 1992) |
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| igor kovalyov American animator, US (b. 1954) |
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| mikhail kovalyov researcher |
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Mr, Slava, Alina, Anton, Artem, Artur, Boris, Pavel, Petro, Peter, Roman, Denis, Denys, Danil, Danny, Lubov, Tanya, Elena, Vadim, Vadym, Felix, Isaac, Steve, Yuriy, Serge, Maxim, Max, Sam, Dan, Mark, Maya, Serg, Alex, Roma, Dima, Gleb, Leon, Nina, Vova, Vlad, Ilya, Ivan, Igor, Oleg, Yuri, Yury, Marat, Sasha, and Marina