Last name Ермолаев (Ермолаев 
, Ermolaev 
, Jermolajev 
) , in the world, is a common cognomen. The cognomen Ермолаев is characteristic of Russia, where it is quite a common surname, Belarus, and Kazakhstan, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ермолаев | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| Ermolaev | Romania, Estonia, Uzbekistan, Belarus, Russia |
| Jermolajev | Estonia, Lithuania, Czechia, United Kingdom, Latvia |
| Yermolayev | Germany, Estonia, Uzbekistan, Russia, Israel |
Ermolayev, Jermolajew, Yermolaev, Yermolaiev, and Єрмолаєв
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ермолаев, симон афанасьевич Soviet politician, RU (b. 1870) |
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ермолаев, михаил кондратьевич Russian politician, LV (b. 1881) |
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ермолаев, иван алексеевич Hero of the Soviet Union, RU (b. 1907) |
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ермолаев, алексей николаевич Russian ballet dancer, RU (b. 1910) |
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ермолаев, пётр алексеевич RU (b. 1923) |
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ермолаев, алексей афанасьевич RU (b. 1934) |
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| иван алексеевич ермолаев Russian engineer and poet (1899-1994), RU (b. 1899) |
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| ермолаев, адриан михайлович Russian artist, RU (b. 1900) |
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| ермолаев, вадим михайлович RU (b. 1892) |
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| ермолаев, владимир петрович RU (b. 1892) |
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| ермолаев, михаил михайлович Russian geologist (1905-1991), RU (b. 1905) |
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| ермолаев, дмитрий алексеевич RU (b. 1897) |
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| ермолаев, афанасий семёнович RU (b. 1904) |
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| ермолаев, алексей константинович RU (b. 1905) |
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| ермолаев, александр александрович RU (b. 1906) |
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